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SPHERICAL FIREWALL FITTING - SS
PRESSURE PLATE - TTP 4200

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Overview

The 4200 series firewall fitting has a 1 inch steel ball held in place by 1 4130 steel pressure plate. It requires only one hole in the firewall and has a swivel angle up to 50 degrees from straight. It is held onto the firewall with one 1 5/16 steel nut.

This fitting is for a steel/stainless steel firewall.

Assembly weighs only 1.8oz-2.5oz (.11lb-2.5lb) depending on ball hole size.

Ball hole sizes available are .125, .188, .218, .240, .250, .260, .312, .330, .375, .438, .500, .562 and .750.

Meets FAR 23.1191 and AC 20-135 requirements.

Order example: TTP-4200-125 (.125 ball hole size)

Features

  • Accommodates steel firewalls up to 0.040" thickness
  • Eleven standard ball hole sizes stocked: .125", .188", .218", .240", .250", .260", .312", .375", .438", .500", .562".
  • Pressure plate hardened to 150,000 PSI for stiffness
  • Retained with all-steel locking nuts
  • Components plated to ASTM F1941-00 specifications
  • Through-body maximum clearance of 0.925"

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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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