5305-01-331-7940

Find complete technical information, availability, and procurement data for: 5305-01-331-7940
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-331-7940

Item Name Code

06657

Assigment Date

12/27/1990 (35 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

0.875 inches minimum and 0.937 inches maximum fastener length, fillister head style, 0.1870 inches minimum and 0.2182 inches maximum thread length, right-hand thread direction, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.1870 inches minimum and 0.2182 inches maximum
Fastener Length: 0.875 inches minimum and 0.937 inches maximum
Head Style: fillister
Head Diameter: 0.187 inches minimum and 0.205 inches maximum
Head Height: 0.100 inches minimum and 0.120 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.125 inches
Thread Quantity Per Inch: 40
Screw Material: steel comp 303 or steel comp 305
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
C-1476	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-331-7940?

The FSCG of the NSN 5305-01-331-7940 is 5305

Does the NSN 5305-01-331-7940 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-331-7940 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 5305-01-331-7940 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-331-7940 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 5305-01-331-7940 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Dec 27, 1990