306-40095-0

View detailed technical data, stock status, and sourcing information for: 306-40095-0
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-857-6886

Item Name Code

18257

Assigment Date

01/01/1962 (64 years ago)

1.000 inches minimum and 1.188 inches maximum thread length, hexagon head style, 4.406 inches minimum and 4.500 inches maximum fastener length, 2a thread class, 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: 1.000 inches minimum and 1.188 inches maximum
Fastener Length: 4.406 inches minimum and 4.500 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 - cougar cat1 a2; medium mine protected vehicle - mmpv
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-043-3343	No Name Available	09/01/2023
5305-00-964-0502	No Name Available	12/26/1969
5305-00-989-0619	No Name Available	02/21/1997

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
2076-4299-001	Hexagon Head Cap Screw
306-40095-0	Hexagon Head Cap Screw
4397000-076	Hexagon Head Cap Screw
5305008576886	Hexagon Head Cap Screw
5305PL0808706	Hexagon Head Cap Screw
B1821BH038C450N	Hexagon Head Cap Screw
M19-20873 PC NO 177	Hexagon Head Cap Screw
MS90728-76	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-857-6886?

The FSCG of the NSN 5305-00-857-6886 is 5305

Does the NSN 5305-00-857-6886 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5305-00-857-6886 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 5305-00-857-6886 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-857-6886 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 5305-00-857-6886 was assigned to the Federal Catalog?

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