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FREE SHIPPING ON ORDERS OVER $350 VIA UPS GROUND

O-RINGS

From $0.29 to $8.50
PN MS Equivalent Width ID OD Price Buy
MS28774-116 MS28774-116 3/32 3/4 15/16 $0.66
Quantity
AN6227B-1 MS28775-006 1/16 1/8 1/4 $0.56
Quantity
AN6227B-2 MS28775-007 1/16 5/32 9/32 $0.58
Quantity
AN6227B-3 MS28775-008 1/16 3/16 5/16 $0.59
Quantity
AN6227B-4 MS28775-009 1/16 7/32 11/32 $0.44
Quantity
AN6227B-5 MS28775-010 1/16 1/4 3/8 $0.61
Quantity
AN6227B-6 MS28775-011 1/16 5/16 7/16 $0.66
Quantity
AN6227B-7 MS28775-012 1/16 3/8 1/2 $0.45
Quantity
05-04892 MS28775-013 1/16 7/16 9/16 $0.38
Quantity
05-04893 MS28775-014 1/16 1/2 5/8 $0.69
Quantity
05-04646 MS28775-015 1/16 9/16 11/16 $0.48
Quantity
05-04894 MS28775-016 1/16 5/8 3/4 $0.40
Quantity
05-04895 MS28775-017 1/16 11/16 13/16 $0.29
Quantity
05-04896 MS28775-018 1/16 3/4 7/8 $0.32
Quantity
05-04897 MS28775-019 1/16 13/16 15/16 $0.52
Quantity
05-04898 MS28775-020 1/16 7/8 1 $0.49
Quantity
05-04899 MS28775-021 1/16 11/16 1-1/16 $0.78
Quantity
MS28775-022 MS28775-022 1/16 1 1-1/8 $0.60
Quantity
05-04901 MS28775-023 1/16 1-1/16 1-3/16 $0.66
Quantity
05-04902 MS28775-024 1/16 1-1/8 1-1/4 $0.72
Quantity
05-04903 MS28775-025 1/16 1-3/16 1-5/16 $0.52
Quantity
05-04911 MS28775-026 1/16 1-1/4 1-3/8 $0.58
Quantity
05-04912 MS28775-027 1/16 1-5/16 1-7/16 $0.75
Quantity
05-04913 MS28775-028 1/16 1-3/8 1-1/2 $1.40
Quantity
05-15065 MS28775-109 3/32 5/16 1/2 $0.40
Quantity
MS9388-016 MS9388-016 1/16 5/8 3/4 $0.43
Quantity
AN6227B-8 MS28775-110 3/32 3/8 9/16 $0.40
Quantity
AN6227B-9 MS28775-111 3/32 7/16 5/8 $0.62
Quantity
AN6227B-10 MS28775-112 3/32 1/2 11/16 $0.60
Quantity
AN6227B-11 MS28775-113 3/32 9/16 3/4 $0.47
Quantity
AN6227B-12 MS28775-114 3/32 5/8 13/16 $0.29
Quantity
AN6227B-13 MS28775-115 3/32 11/16 7/8 $0.59
Quantity
AN6227B-14 MS28775-116 3/32 3/4 15/16 $0.43
Quantity
05-04914 MS28775-117 3/32 13/16 1 $0.58
Quantity
MS28775-118 MS28775-118 3/32 7/8 1-1/16 $0.42
Quantity
05-04915 MS28775-119 3/32 15/16 1-1/8 $0.32
Quantity
05-04916 MS28775-120 3/32 1 1-3/16 $0.49
Quantity
05-04917 MS28775-121 3/32 1-1/16 1-1/4 $0.76
Quantity
05-04918 MS28775-122 3/32 1-1/8 1-5/16 $0.52
Quantity
05-04919 MS28775-123 3/32 1-3/16 1-3/8 $0.49
Quantity
05-04920 MS28775-124 3/32 1-1/4 1-7/16 $0.52
Quantity
05-04921 MS28775-125 3/32 1-5/16 1-1/2 $0.66
Quantity
05-04922 MS28775-126 3/32 1-3/8 1-9/16 $0.58
Quantity
05-04923 MS28775-127 3/32 1-7/16 1-5/8 $0.58
Quantity
05-04924 MS28775-128 3/32 1-1/2 1-11/16 $1.72
Quantity
05-04925 MS28775-129 3/32 1-9/16 1-3/4 $1.20
Quantity
05-04926 MS28775-130 3/32 1-5/8 1-13/16 $0.55
Quantity
05-04927 MS28775-131 3/32 1-11/16 1-7/8 $1.92
Quantity
05-00850 MS28775-132 3/32 1-3/4 1-15/16 $0.81
Quantity
05-05142 MS28775-134 3/32 1-7/8 2-1/16 $0.72
Quantity
05-05143 MS28775-135 3/32 1-15/16 2-1/8 $0.89
Quantity
05-05144 MS28775-136 3/32 2 2-3/16 $0.80
Quantity
05-05145 MS28775-137 3/32 2-1/16 2-1/4 $1.10
Quantity
05-05146 MS28775-138 3/32 2-1/8 2-5/16 $0.92
Quantity
05-05147 MS28775-139 3/32 2-3/16 2-3/8 $1.16
Quantity
05-05148 MS28775-140 3/32 2-1/4 2-7/16 $0.98
Quantity
05-05149 MS28775-141 3/32 2-5/16 2-1/2 $1.18
Quantity
05-05150 MS28775-142 3/32 2-3/8 2-9/16 $1.09
Quantity
05-05151 MS28775-143 3-32 2-7/16 2-5/8 $0.72
Quantity
05-05152 MS28775-144 3/32 2-1/2 2-11/16 $1.08
Quantity
05-05153 MS28775-145 3/32 2-9/16 2-3/4 $1.18
Quantity
05-05154 MS28775-146 3/32 2-5/8 2-13/16 $1.00
Quantity
05-05155 MS28775-147 3/32 2-11/16 2-7/8 $0.86
Quantity
05-05156 MS28775-148 3/32 2-3/4 2-15/16 $1.22
Quantity
05-05157 MS28775-149 3/32 2-13/16 3 $1.35
Quantity
AN6227B-15 MS28775-210 1/8 3/4 1 $0.50
Quantity
AN6227B-16 MS28775-211 1/8 13/16 1-1/16 $0.67
Quantity
AN6227B-17 MS28775-212 1/8 7/8 1-1/8 $0.47
Quantity
AN6227B-18 MS28775-213 1/8 15/16 1-3/16 $0.99
Quantity
AN6227B-19 MS28775-214 1/8 1 1-1/4 $0.43
Quantity
AN6227B-20 MS28775-215 1/8 1-1/16 1-5/16 $0.58
Quantity
AN6227B-21 MS28775-216 1/8 1-1/8 1-3/8 $0.58
Quantity
AN6227B-22 MS28775-217 1/8 1-3/16 1-7/16 $0.58
Quantity
AN6227B-23 MS28775-218 1/8 1-1/4 1-1/2 $0.49
Quantity
AN6227B-24 MS28775-219 1/8 1-5/16 1-9/16 $0.99
Quantity
AN6227B-25 MS28775-220 1/8 1-3/8 1-5/8 $0.75
Quantity
AN6227B-26 MS28775-221 1/8 1-7/16 1-11/16 $0.58
Quantity
AN6227B-27 MS28775-222 1/8 1-1/2 1-3/4 $0.69
Quantity
AN6230B-1 MS28775-223 1/8 1-5/8 1-7/8 $1.99
Quantity
AN6230B-2 MS28775-224 1/8 1-3/4 2 $0.70
Quantity
AN6230B-3 MS28775-225 1/8 1-7/8 2-1/8 $0.93
Quantity
AN6230B-4 MS28775-226 1/8 2 2-1/4 $0.93
Quantity
AN6230B-5 MS28775-227 1/8 2-1/8 2-3/8 $0.97
Quantity
AN6230B-6 MS28775-228 1/8 2-1/4 2-1/2 $1.18
Quantity
AN6230B-7 MS28775-229 1/8 2-3/8 2-5/8 $1.15
Quantity
AN6230B-8 MS28775-230 1/8 2-1/2 2-3/4 $0.93
Quantity
AN6230B-9 MS28775-231 1/8 2-5/8 2-7/8 $1.44
Quantity
AN6230B-10 MS28775-232 1/8 2-3/4 3 $3.90
Quantity
05-01013 MS28775-233 1/8 2-7/8 3-1/8 $1.29
Quantity
05-05158 MS28775-236 1/8 3-1/4 3-1/2 $3.60
Quantity
05-05159 MS28775-237 1/8 3-3/8 3-5/8 $1.49
Quantity
05-05160 MS28775-238 1/8 3-1/2 3-3/4 $2.00
Quantity
05-05161 MS28775-239 1/8 3-5/8 3-7/8 $1.86
Quantity
05-05162 MS28775-240 1/8 3-3/4 4 $2.95
Quantity
05-05163 MS28775-241 1/8 3-7/8 4-1/8 $1.89
Quantity
05-05164 MS28775-242 1/8 4 4-1/4 $4.35
Quantity
05-05165 MS28775-243 1/8 4-1/8 4-3/8 $2.15
Quantity
04-03882 MS28775-244 1/8 4-1/4 4-1/2 $2.69
Quantity
05-05166 MS28775-245 1/8 4-3/8 4-5/8 $1.97
Quantity
05-05167 MS28775-246 1/8 4-1/2 4-3/4 $2.69
Quantity
05-05168 MS28775-247 1/8 4-5/8 4-7/8 $2.29
Quantity
AN6230-28 MS28775-250 1/8 5 5-1/4 $1.95
Quantity
MS28775-261 MS28775-261 1/8 6-3/4 7 $6.50
Quantity
MS28775-267 MS28775-267 1/8 8-1/4 8-1/2 $4.99
Quantity
05-15403 MS28775-272 1/8 9-1/2 9-3/4 $8.50
Quantity
AN6227B-28 MS28775-325 3/16 1-1/2 1-7/8 $1.58
Quantity
AN6227B-29 MS28775-326 3/16 1-5/8 2 $1.15
Quantity
AN6227B-30 MS28775-327 3/16 1-3/4 2-1/8 $2.58
Quantity
AN6227B-31 MS28775-328 3/16 1-7/8 2-1/4 $2.66
Quantity
AN6227B-32 MS28775-329 3/16 2 2-3/8 $1.29
Quantity
AN6227B-33 MS28775-330 3/16 2-1/8 2-1/2 $1.37
Quantity
AN6227B-34 MS28775-331 3/16 2-1/4 2-5/8 $1.29
Quantity
AN6227B-35 MS28775-332 3/16 2-3/8 2-3/4 $1.90
Quantity
AN6227B-36 MS28775-333 3/16 2-1/2 2-7/8 $1.77
Quantity
AN6227B-38 MS28775-335 3/16 2-3/4 3-1/8 $1.68
Quantity
AN6227B-39 MS28775-336 3/16 2-7/8 3-1/4 $2.23
Quantity
AN6227B-40 MS28775-337 3/16 3 3-3/8 $2.76
Quantity
AN6227B-41 MS28775-338 3/16 3-1/8 3-1/2 $2.73
Quantity
AN6227B-42 MS28775-339 3/16 3-1/4 3-5/8 $2.58
Quantity
AN6227B-43 MS28775-340 3/16 3-3/8 3-3/4 $1.72
Quantity
AN6227B-44 MS28775-341 3/16 3-1/2 3-7/8 $2.71
Quantity
AN6227B-45 MS28775-342 3/16 3-5/8 4 $2.86
Quantity
AN6227B-46 MS28775-343 3-16 3-3/4 4-1/8 $2.36
Quantity
Subtotal $0.00
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Overview

O-rings give effective sealing over wide ranges of pressure, temperature, and movement, with the advantage of sealing pressure in both directions and reducing friction and wear on moving parts. The use of O-rings as gaskets or static seals permits metal-to-metal contact and allows almost unlimited pressures under extreme vibration.

All O-rings should be lubricated before installation and constant lubrication should be provided for running seals to avoid excessive wear. Avoid sharp edges, threads, and cross-drilled ports over or through which rings must be installed. AN6227B and AN6230B O-rings are manufactured to Spec. MIL-P 25732 for use in hydraulic systems using MIL-0-5606 hydraulic oils. MS28775 O-rings meet Spec. MIL-P- 5510A and are suitable for MIL-0-5606 hydraulic fluid at 160 F.
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Reviews

This purchase was an experiment. I needed a seal for my 2005 Subaru Baja engine oil cooler. The site is excellent and well organized. I was able to measure the ring land and easily locate an exact fit. I could not find another site at this price point to quickly find what I needed.

William T
May 31, 2019

Nicely labeled, well packaged, and fresh dates. Just what I needed at the time I needed them.

Cris A
January 31, 2019

Super Customer Care

Carrell C
November 29, 2018

Best deal in town! I changed out o rings in both of my cng trucks and have extras for emergencies too.

Douglas E
October 20, 2018

Shipping was fast and it was the correct part

Richard L
August 9, 2018

Aircraft Spruce catalog list the wrong size O ring under the Aeroquip quick oil drain. I did not catch the error until I received my order. I called customer service but they were no help. Then I was transferred to sales where the error was confirmed and the correct O ring sent no charge.

Milton B
June 8, 2018

Wow! They were circular and made of rubber. They also fixed my brake problem. What more can you ask for?

Meandude
March 9, 2018

Rocket A
January 18, 2018

Kerry
October 27, 2017

Great product.

Jp H
September 7, 2017

Q&A

Q: Can these O rings be used in fuel cells with 100LL fuel?

These o-rings, AN6227B series, are not fuel resistant. For fuel resistant o-rings, see the MS29513 series. MS29513 are aviation fuel resistant, but not resistant to automotive fuel. Search for MS29513 on our web site to find the page with the fuel resistant o-rings.