NASM21250H04003

View detailed technical data, stock status, and sourcing information for: NASM21250H04003
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-612-6609

Item Name Code

15903

Assigment Date

10/17/2012 (13 years ago)

A cap, usually of metal, designed to retain lubricant and excludes:foreign matter from bearings. It is normally used as an end closure on items designed to rotate on a shaft,such as a wheel hub, or fit into a housing at the end of a rotating shaft, or the like. Do not use if a more specific name applies. For items mounted by bolt holes, see cover, access.

3a thread class, 0.420 inches minimum thread length, double hexagon w/hole head style, 2.440 inches nominal fastener length, right-hand thread direction

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: 0.420 inches minimum
Fastener Length: 2.440 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.265 inches nominal
Width Between Flats: 0.2500 inches nominal
Extended Washer Diameter: 0.340 inches minimum and 0.350 inches maximum
Extended Washer Thickness: 0.055 inches nominal
Grip Diameter: 0.1885 inches minimum
End Item Identification: flight control
Nominal Thread Diameter: 0.1900 inches
Grip Length: 1.875 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180 pounds per square inch
Part Name Assigned By Controlling Agency: bolt, tension
Material: steel comp 4140 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
NASM21250H04003	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-612-6609?

The FSCG of the NSN 5306-01-612-6609 is 5306

Does the NSN 5306-01-612-6609 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-612-6609 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 5306-01-612-6609 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-612-6609 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 5306-01-612-6609 was assigned to the Federal Catalog?

It was assigned 13 years ago, on Wed, Oct 17, 2012