5315-01-478-4175

Find complete technical information, availability, and procurement data for: 5315-01-478-4175
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-478-4175

Item Name Code

16749

Assigment Date

09/12/2000 (25 years ago)

A valve specifically designed for installation in an air brake system. It is used on trailers, long wheel base vehicles, as well as multiple rear axle vehicles. It serves to speed and synchronize the application and release of air operated service or parking brakes. It may include emergency features for trailer application.

chamfered and counterbored first end style, chamfered second end style, 2a thread class, right-hand thread direction, 0.250 inches nominal thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

First End Style: chamfered and counterbored
Second End Style: chamfered
Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches nominal
Shank Length: 0.313 inches nominal
Shoulder Width Across Flats: 0.375 inches nominal
Shank Diameter: 0.313 inches nominal
Overall Length: 0.750 inches nominal
Undercut Diameter: 0.250 inches nominal
Undercut Width: 0.063 inches nominal
End Item Identification: ball sea valve,manual operator planetary gear drive
First End Counterbore Diameter: 0.094 inches nominal
First End Counterbore Depth: 0.094 inches nominal
First End Taper Length: 0.063 inches nominal
Second End Taper Length: 0.063 inches nominal
Thread Quantity Per Inch: 18
Second End Relationship With First End: not identical
Nominal Thread Size: 0.312 inches
First End Location: both ends
First End Taper Angle: 45.0 degrees nominal
Second End Taper Angle: 45.0 degrees nominal
Part Name Assigned By Controlling Agency: dowel,threaded
Material: steel comp 4140 overall
Style Designator: undercut
Thread Series Designator: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2640-343X2 PIECE 11	Headless Shoulder Pin
845-2050583 PIECE 11	Headless Shoulder Pin

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5315-01-478-4175?

The FSCG of the NSN 5315-01-478-4175 is 5315

Does NSN 5315-01-478-4175 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5315-01-478-4175 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-478-4175 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5315-01-478-4175 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Tue, Sep 12, 2000