3M943C4A1-4

View detailed technical data, stock status, and sourcing information for: 3M943C4A1-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-690-1702

Item Name Code

16749

Assigment Date

07/29/2020 (6 years ago)

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

right-hand thread direction, 3a thread class, chamfered second end style, square first end style, 0.405 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: square
Second End Style: chamfered
Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.405 inches nominal
Shank Length: 0.4675 inches nominal
Shoulder Width Across Flats: 0.438 inches nominal
Shank Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Overall Length: 1.0625 inches nominal
Second End Taper Length: 0.220 inches nominal
Thread Quantity Per Inch: 28
Second End Relationship With First End: not identical
Nominal Thread Size: 0.250 inches
Second Shank Diameter: 0.2145 inches minimum and 0.2150 inches maximum
First End Location: threaded end
Second End Tip Radius: 0.060 inches minimum and 0.090 inches maximum
Second End Taper Angle: 45.0 degrees nominal
Second Shank Length: 0.470 inches nominal
Part Name Assigned By Controlling Agency: pin, shoulder, headless
Special Features: name of equipment attack helicopter, type or model apache
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 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
3M943C4A1-4	Headless Shoulder Pin

FAQs

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

What is the FSCG of the NSN 5315-01-690-1702?

The FSCG of the NSN 5315-01-690-1702 is 5315

Does NSN 5315-01-690-1702 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 5315-01-690-1702 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-690-1702 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 5315-01-690-1702 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Wed, Jul 29, 2020