B1821BH044C350D

View detailed technical data, stock status, and sourcing information for: B1821BH044C350D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-182-9584

Item Name Code

18257

Assigment Date

05/08/1970 (56 years ago)

2a thread class, hexagon head style, right-hand thread direction, 3.406 inches minimum and 3.500 inches maximum fastener length, 1.125 inches minimum 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: 1.125 inches minimum
Fastener Length: 3.406 inches minimum and 3.500 inches maximum
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Hole Diameter: 0.063 inches nominal
Nominal Thread Diameter: 0.438 inches
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae gr 8 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
Nondefinitive Spec/Std Data: 2 type and 1op style and 8 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-057-1017	No Name Available	03/25/1987
5305-00-071-2062	No Name Available	10/01/1989
5305-00-558-5433	No Name Available	11/01/1982

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
335224	Hexagon Head Cap Screw
5305001829584	Hexagon Head Cap Screw
9419090	Hexagon Head Cap Screw
B1821BH044C350D	Hexagon Head Cap Screw
MS18154-96	Hexagon Head Cap Screw
MS90728-97	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-182-9584?

The FSCG of the NSN 5305-00-182-9584 is 5305

Does the NSN 5305-00-182-9584 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-182-9584 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 5305-00-182-9584 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-182-9584 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 5305-00-182-9584 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, May 8, 1970