B1821BH088C275N

View detailed technical data, stock status, and sourcing information for: B1821BH088C275N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-964-0512

Item Name Code

18257

Assigment Date

06/01/1966 (60 years ago)

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes:contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

hexagon head style, 2.000 inches minimum and 2.277 inches maximum thread length, 2a thread class, 2.750 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: 2a
Thread Direction: right-hand
Thread Length: 2.000 inches minimum and 2.277 inches maximum
Fastener Length: 2.750 inches nominal
Head Style: hexagon
Head Height: 0.531 inches minimum and 0.563 inches maximum
Width Between Flats: 1.285 inches minimum and 1.312 inches maximum
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 9
Minimum Tensile Strength: 150000 pounds per square inch
Minimum Yield Strength: 120000 pounds per square inch
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-022-3543	No Name Available	05/23/1967
5305-00-984-3868	No Name Available	09/01/1982

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
5305009640512	Hexagon Head Cap Screw
B1821BH088C275N	Hexagon Head Cap Screw
MS90728-212	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-964-0512?

The FSCG of the NSN 5305-00-964-0512 is 5305

Does the NSN 5305-00-964-0512 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-964-0512 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 5305-00-964-0512 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-964-0512 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 5305-00-964-0512 was assigned to the Federal Catalog?

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