5310-00-262-4978

Find complete technical information, availability, and procurement data for: 5310-00-262-4978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-262-4978

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

hexagon nut style, right-hand thread direction, 0.240 inches minimum and 0.260 inches maximum nut height, 2b thread class, 0.0615 inches nominal drilled hole diameter

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: 0.240 inches minimum and 0.260 inches maximum
Drilled Hole Diameter: 0.0615 inches nominal
Hole Type And Quantity: 1 drilled
Width Across Flats: 0.370 inches minimum and 0.375 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Hole Configuration Style: configuration a
Countersink Angle: 85.0 degrees minimum and 95.0 degrees maximum nut
Bearing Surface Type: flat
Bearing Surface Finish: 125.0 microinches
Material: steel comp 1117 or steel comp 1118 overall
Material Document And Classification: mil-s-16124,class 1 mil spec all material responses overall

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
79234PC7	Hexagon Plain Nut
SP8710	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-262-4978?

The FSCG of the NSN 5310-00-262-4978 is 5310

Does the NSN 5310-00-262-4978 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-262-4978 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 5310-00-262-4978 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-262-4978 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 5310-00-262-4978 was assigned to the Federal Catalog?

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