3M943C4-1-8

View detailed technical data, stock status, and sourcing information for: 3M943C4-1-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-146-6113

Item Name Code

16749

Assigment Date

02/03/1983 (43 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

0.405 inches nominal thread length, square first end style, chamfered second end style, 3a thread class, right-hand thread direction

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: square
Second End Style: chamfered
Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.405 inches nominal
Shank Length: 0.435 inches nominal
Shoulder Diameter: 0.438 inches nominal
Shank Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Overall Length: 1.342 inches nominal
Second End Taper Length: 0.248 inches minimum and 0.252 inches maximum
Second End Relationship With First End: not identical
Nominal Thread Size: 0.250 inches
Second Shank Diameter: 0.2490 inches minimum and 0.2495 inches maximum
First End Location: threaded end
Second End Tip Radius: 0.060 inches minimum and 0.090 inches maximum
Surface Finish: 125.0 microinches overall
Second End Taper Angle: 45.0 degrees nominal
Second Shank Length: 0.750 inches nominal
Material: steel comp 302 or steel comp 304 or steel comp 303se overall
Material Document And Classification: qq-s-763 fed spec 1st material response or qq-s-763 fed spec 2nd material response or mms 265 cagec 76301 mfr ref 3rd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: shoulder
Thread Series Designator: unjf

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
10123148	Headless Shoulder Pin
11415C4-1-8	Headless Shoulder Pin
3M943C4-1-8	Headless Shoulder Pin
AAP139C4-1-8	Headless Shoulder Pin
D792683C1N8	Headless Shoulder Pin
HS5678C41-8	Headless Shoulder Pin
VS3258C4-1-8	Headless Shoulder Pin
WC943C4-1-8	Headless Shoulder Pin

FAQs

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

What is the FSCG of the NSN 5315-01-146-6113?

The FSCG of the NSN 5315-01-146-6113 is 5315

Does NSN 5315-01-146-6113 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 5315-01-146-6113 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-146-6113 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 5315-01-146-6113 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Feb 3, 1983