MS21316-37

View detailed technical data, stock status, and sourcing information for: MS21316-37
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-984-1859

Item Name Code

06673

Assigment Date

01/01/1963 (63 years ago)

1.438 inches minimum and 1.562 inches maximum thread length, 1.438 inches minimum and 1.562 inches maximum fastener length, thumb no. 3 head style, 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: 1.438 inches minimum and 1.562 inches maximum
Fastener Length: 1.438 inches minimum and 1.562 inches maximum
Head Style: thumb no. 3
Head Height: 0.484 inches minimum and 0.625 inches maximum
Width Between Flats: 0.563 inches minimum and 0.635 inches maximum
Shoulder Diameter: 0.430 inches minimum and 0.470 inches maximum first shoulder
Shoulder Length: 0.050 inches minimum and 0.055 inches maximum first shoulder
Point Style: flat
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Shoulder Shape: round first shoulder
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-835-2105	No Name Available	11/05/1969

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
MS21316-37	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-00-984-1859?

The FSCG of the NSN 5305-00-984-1859 is 5305

Does the NSN 5305-00-984-1859 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-984-1859 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 5305-00-984-1859 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-984-1859 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 5305-00-984-1859 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963