B1821BH056C225N

View detailed technical data, stock status, and sourcing information for: B1821BH056C225N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-716-7675

Item Name Code

18257

Assigment Date

01/01/1960 (66 years ago)

hexagon head style, 1.375 inches minimum and 1.583 inches maximum thread length, right-hand thread direction, 2.156 inches minimum and 2.250 inches maximum fastener length, 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: 1.375 inches minimum and 1.583 inches maximum
Fastener Length: 2.156 inches minimum and 2.250 inches maximum
Head Style: hexagon
Head Height: 0.348 inches minimum and 0.371 inches maximum
Width Between Flats: 0.798 inches minimum and 0.812 inches maximum
Nominal Thread Diameter: 0.562 inches
Thread Quantity Per Inch: 12
Minimum Tensile Strength: 150000 pounds per square inch
Surface Finish: 63.0 microinches threads
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: 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-261-1936	No Name Available	05/17/2001
5305-00-269-4460	No Name Available	03/01/1998

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
2CD588	Hexagon Head Cap Screw
4F10060-36	Hexagon Head Cap Screw
7-115-191850	Hexagon Head Cap Screw
A120056C225	Hexagon Head Cap Screw
AES01C562B25AW9A91	Hexagon Head Cap Screw
B1821BH056C225N	Hexagon Head Cap Screw
MS90728-141	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-716-7675?

The FSCG of the NSN 5305-00-716-7675 is 5305

Does the NSN 5305-00-716-7675 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-716-7675 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 5305-00-716-7675 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-716-7675 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 5305-00-716-7675 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960