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MS20073 / MS20074 Engine Bolts

From $1.49 to $8.50
PN Old AN Thread Grip Length Price Buy
MS20073-03-04
AN73-41032
Fine Thread
0.06200.5940$2.07
Quantity
MS20073-03-05
AN73-51032
Fine Thread
0.12500.6560$2.22
Quantity
MS20073-03-06
AN73-61032
Fine Thread
0.25000.7810$2.22
Quantity
MS20073-04-03
AN74-31/4-28
Fine Thread
0.06200.4690$2.39
Quantity
MS20073-04-04
AN74-41/4-28
Fine Thread
0.06200.5940$1.95
Quantity
MS20073-04-05
AN74-51/4-28
Fine Thread
0.12500.6560$2.15
Quantity
MS20073-04-06
AN74-61/4-28
Fine Thread
0.25000.7810$2.30
Quantity
MS20073-04-07
AN74-71/4-28
Fine Thread
0.37500.9060$2.09
Quantity
MS20074-03-03
AN73A31024
Coarse Thread
0.06200.4690$2.61
Quantity
MS20074-03-04
AN73A41024
Coarse Thread
0.06200.5940$2.14
Quantity
MS20074-04-03
AN74A31/4-20
Coarse Thread
0.06200.4690$2.31
Quantity
MS20074-04-04
AN74A41/4-20
Coarse Thread
0.06200.5940$1.49
Quantity
MS20074-04-05
AN74A51/4-20
Coarse Thread
0.12500.6560$2.40
Quantity
MS20074-04-06
AN74A61/4-20
Coarse Thread
0.25000.7810$2.45
Quantity
MS20074-04-07
AN74A71/4-20
Coarse Thread
0.37500.9060$2.30
Quantity
MS20074-04-12AN75A121/4-20
Coarse Thread
.7500 1.2810$7.50
Quantity
MS20074-04-21AN74A211/4-20
Coarse Thread
1.6250 2.1560$8.50
Quantity
MS20074-05-06AN75A65/16-18
Coarse Thread
.2500 .7970$5.25
Quantity
MS20074-06-06AN76A63/8-16
Coarse Thread
.1250 .7970$6.65
Quantity
Subtotal $0.00
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Overview

MS20073/MS20074 Engine Bolts
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Reviews

Stupid, Stupid Stupid. I didnt give it 5 stars, spruce did and it cant be changed. Review a bolt??? Its round and has threads on one end. I cant believe you sent me this and wasted my time with this.. GET REAL!!!

Dan H Verified Purchase

BOLT MS20074-05-06

January 21, 2022

Ronald G Verified Purchase

BOLT MS20074-05-06

November 16, 2021

Kevin B Verified Purchase

BOLT FINE 10/32 THRD AN73-6

October 19, 2021

Just what I needed to get my PA28 back in the air.It was on backorder but still arrived in 5 days.No complaints about service from me.

Gary B Verified Purchase

BOLT MS20074-05-06

October 17, 2021

Worth the cost to have the correct bolt for my O-360 carb heat box.

Sawtooth T Verified Purchase

BOLT CRS 1/4-20 THRD AN74A4

August 31, 2021

Just what I wanted and fast

Karl S Verified Purchase

BOLT CRS 1/4-20 THRD AN74A5

August 30, 2021

Good, quality product.

Eddie Y
September 28, 2020

exactly what was ordered snd what was needed. Fast service. excellant transaction.

Paul S
March 8, 2020

Anything aviation is over priced but I’m glad Aircraft Spruce is here to be a source for us builders and restorers

Sam
December 12, 2019

Fast shipping and good items~~

Kim M
February 22, 2018

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

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