2337991-500

View detailed technical data, stock status, and sourcing information for: 2337991-500
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-637-1570

Item Name Code

01847

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 1.250 inches nominal fastener length, 0.812 inches minimum thread length, hexagon head style, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.812 inches minimum
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.203 inches minimum and 0.234 inches maximum
Width Between Flats: 0.562 inches nominal
Nominal Thread Diameter: 0.375 inches
Features Provided: finished head
Thread Quantity Per Inch: 24
Material: steel comp 302 or steel comp 303se or steel comp 316 overall
Material Document And Classification: mil-s-7720 mil spec all material responses overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-122-3784	No Name Available	01/01/1960

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
12119-21	Machine Bolt
2337991-500	Machine Bolt
S1530-80936-1	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-637-1570?

The FSCG of the NSN 5306-00-637-1570 is 5306

Does the NSN 5306-00-637-1570 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-637-1570 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 5306-00-637-1570 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-637-1570 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 5306-00-637-1570 was assigned to the Federal Catalog?

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