5310-00-685-8278

Find complete technical information, availability, and procurement data for: 5310-00-685-8278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-685-8278

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

hexagon nut style, 0.302 inches minimum and 0.313 inches maximum width across flats, 2b thread class, 0.072 inches minimum and 0.084 inches maximum nut height, 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.072 inches minimum and 0.084 inches maximum
Width Across Flats: 0.302 inches minimum and 0.313 inches maximum
Thread Series: unef
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Material: copper alloy 360 overall
Material Document And Classification: qq-b-626,1/2 h fed spec single material response overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: qq-n-290 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-808-5428	No Name Available	04/01/1981

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
108675-284	Hexagon Plain Nut
1245C	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-685-8278?

The FSCG of the NSN 5310-00-685-8278 is 5310

Does the NSN 5310-00-685-8278 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-685-8278 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 5310-00-685-8278 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-685-8278 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 5310-00-685-8278 was assigned to the Federal Catalog?

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