21074-31

View detailed technical data, stock status, and sourcing information for: 21074-31
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-416-0580

Item Name Code

06666

Assigment Date

07/12/1995 (31 years ago)

A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.

0.375 inches nominal thread diameter, 3a thread class, 24 thread quantity per inch, 4.938 inches nominal fastener length, drilled head special features

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
Fastener Length: 4.938 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Special Features: drilled head
Material: steel overall
Material Document And Classification: mil-b-7838 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type ii fed spec all treatment responses overall
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
02-0067-6-79	Internal Wrenching Bolt
21074-31	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-416-0580?

The FSCG of the NSN 5306-01-416-0580 is 5306

Does the NSN 5306-01-416-0580 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-416-0580 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 5306-01-416-0580 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-416-0580 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 5306-01-416-0580 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Jul 12, 1995