B1821BH038C500N

View detailed technical data, stock status, and sourcing information for: B1821BH038C500N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-964-0503

Item Name Code

18257

Assigment Date

06/01/1966 (60 years ago)

1.000 inches minimum and 1.188 inches maximum thread length, right-hand thread direction, 5.000 inches nominal fastener length, hexagon head style, 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: 1.000 inches minimum and 1.188 inches maximum
Fastener Length: 5.000 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
End Item Identification: mrap rg-33; mrap - cougar; medium mine protected vehicle - mmpv; mrap - cougar; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 39.0 rockwell c maximum overall
Minimum Yield Strength: 120000 pounds per square inch
Special Features: quanity of 50 per unit pack
Material: steel overall
Material Document And Classification: saej429 grade 8 assn std single material response or astm a354 grade bd assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: aastm b633 ty 2 sc 3 assn std 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-269-3228	No Name Available	01/01/1992
5305-00-426-5300	No Name Available	08/01/1990
5305-00-435-1726	No Name Available	09/01/1993
5305-01-284-4741	No Name Available	07/01/1992

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
10390444	Hexagon Head Cap Screw
5B9603	Hexagon Head Cap Screw
AES01C375E00AW9A91	Hexagon Head Cap Screw
B1821BH038C500N	Hexagon Head Cap Screw
MS35303-78	Hexagon Head Cap Screw
MS90728-78	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-964-0503?

The FSCG of the NSN 5305-00-964-0503 is 5305

Does the NSN 5305-00-964-0503 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5305-00-964-0503 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 5305-00-964-0503 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-964-0503 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 5305-00-964-0503 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 1, 1966