3M943C3-1D4

View detailed technical data, stock status, and sourcing information for: 3M943C3-1D4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-355-8888

Item Name Code

16749

Assigment Date

03/25/1992 (34 years ago)

An item designed to be installed in the liquid refrigerant line of a refrigeration system. It consists of integrally assembled valves for the regulation of the flow of liquid refrigerant.

0.345 inches nominal thread length, chamfered second end style, square first 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: 0.345 inches nominal
Shank Length: 0.470 inches nominal
Shoulder Width Across Flats: 0.375 inches nominal
Shank Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Overall Length: 0.973 inches nominal
Hole Arrangement Style: one end drilled
First Hole Diameter: 0.076 inches minimum and 0.086 inches maximum
Distance From Centerline Of Hole To End Of Pin: 0.140 inches nominal
Second End Taper Length: 0.170 inches minimum and 0.210 inches maximum
Second End Relationship With First End: not identical
Nominal Thread Size: 0.190 inches
Second Shank Diameter: 0.1851 inches minimum and 0.1863 inches maximum
First End Location: threaded end
Second End Tip Radius: 0.060 inches minimum and 0.090 inches maximum
Second Shank Length: 0.440 inches nominal
Special Features: rolled raius 0.040in. max. on both shanks ajacent to shoulder
Material: steel comp 302 or steel comp 304 or steel comp 303se overall
Material Document And Classification: qq-s-763 cond b&j bcqq-s-763 cond b&jfdmca1r mms265 cagec 76301 fed spec 1st 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
10123314	Headless Shoulder Pin
11415C3-1D4	Headless Shoulder Pin
3M943C3-1D4	Headless Shoulder Pin
3M943C301D4	Headless Shoulder Pin
AAP139C3-1D4	Headless Shoulder Pin
D792682C1D4	Headless Shoulder Pin
VS3258C3-1D4	Headless Shoulder Pin

FAQs

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

What is the FSCG of the NSN 5315-01-355-8888?

The FSCG of the NSN 5315-01-355-8888 is 5315

Does NSN 5315-01-355-8888 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 5315-01-355-8888 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-355-8888 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 5315-01-355-8888 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Mar 25, 1992