M1331

View detailed technical data, stock status, and sourcing information for: M1331
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-488-6536

Item Name Code

06657

Assigment Date

05/28/1970 (56 years ago)

pan no. 2 head style, 0.375 inches nominal fastener length, 0.375 inches minimum 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: 0.375 inches minimum
Fastener Length: 0.375 inches nominal
Head Style: pan no. 2
Head Diameter: 0.180 inches nominal
Head Height: 0.060 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.099 inches
Thread Quantity Per Inch: 56
Screw Material: copper alloy 464
Screw Material Document And Classification: qq-b-636,cond 1/2 hard fed spec single material response
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-123-7129	No Name Available	09/01/1978

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
M1331	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-488-6536?

The FSCG of the NSN 5305-00-488-6536 is 5305

Does the NSN 5305-00-488-6536 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-488-6536 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 5305-00-488-6536 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-488-6536 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 5305-00-488-6536 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Thu, May 28, 1970