B1821BH038C200N

View detailed technical data, stock status, and sourcing information for: B1821BH038C200N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-782-9489

Item Name Code

18257

Assigment Date

01/01/1962 (64 years ago)

1.938 inches minimum and 2.000 inches maximum fastener length, hexagon head style, right-hand thread direction, 2a thread class, 1.000 inches minimum and 1.188 inches maximum thread length

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: 1.938 inches minimum and 2.000 inches maximum
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 buffalo mk2a2; mrap- m-atv with cs13 pop and sne; mrap - cougar cat1 a2; medium mine protected vehicle - mmpv; armored multi-purpose vehicle (ampv); 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
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae j429 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: astm 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-012-2184	No Name Available	10/16/1996
5305-00-021-5466	Hexagon Head Cap Screw	07/01/2025
5305-00-021-7174	No Name Available	10/21/1998
5305-00-206-1613	Hexagon Head Cap Screw	07/01/2025
5306-01-132-6334	No Name Available	12/01/1991
5305-01-198-2283	No Name Available	01/01/1989

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
10082598	Hexagon Head Cap Screw
122-5377661 ITEM 36	Hexagon Head Cap Screw
122181	Hexagon Head Cap Screw
2EK429	Hexagon Head Cap Screw
5305007829489	Hexagon Head Cap Screw
5305PL0656452	Hexagon Head Cap Screw
5305PL1370871	Hexagon Head Cap Screw
701-4711389 PIECE 24	Hexagon Head Cap Screw
71145-66	Hexagon Head Cap Screw
91102453	Hexagon Head Cap Screw
91247A632	Hexagon Head Cap Screw
9904.1206	Hexagon Head Cap Screw
AES01C375B00AW9A91	Hexagon Head Cap Screw
B1821BH038C200N	Hexagon Head Cap Screw
MS90728-66	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-782-9489?

The FSCG of the NSN 5305-00-782-9489 is 5305

Does the NSN 5305-00-782-9489 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-782-9489 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 5305-00-782-9489 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-782-9489 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 5305-00-782-9489 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962