ANSI B18.2.2

View detailed technical data, stock status, and sourcing information for: ANSI B18.2.2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-639-1054

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

2b thread class, 0.617 inches minimum and 0.665 inches maximum nut height, hexagon nut style, right-hand thread direction, mrap buffalo mk2a2 end item identification

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.617 inches minimum and 0.665 inches maximum
End Item Identification: mrap buffalo mk2a2
Width Across Flats: 1.088 inches minimum and 1.125 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Nondefinitive Spec/Std Data: 2 type and 4 style and 2b class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-637-0624	No Name Available	09/26/1971

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
0331 34	Hexagon Plain Nut
10D12	Hexagon Plain Nut
ANSI B18.2.2	Hexagon Plain Nut
FF-N-836 TY2ST4CL2B	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-639-1054?

The FSCG of the NSN 5310-00-639-1054 is 5310

Does the NSN 5310-00-639-1054 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-639-1054 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 5310-00-639-1054 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-639-1054 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 5310-00-639-1054 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963