5310-01-345-6555

Find complete technical information, availability, and procurement data for: 5310-01-345-6555
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-345-6555

Item Name Code

15887

Assigment Date

09/23/1991 (34 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.639 inches minimum and 0.641 inches maximum nut diameter, 3b thread class, 0.558 inches nominal nut thickness, 0.475 inches minimum and 0.483 inches maximum width across flats, 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: 3b
Thread Direction: right-hand
Nut Diameter: 0.639 inches minimum and 0.641 inches maximum
Nut Thickness: 0.558 inches nominal
Width Across Flats: 0.475 inches minimum and 0.483 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 0.375 inches
Special Features: chamfer one end seventy degrees
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 1 fed spec single treatment response 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
245AS880	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-345-6555?

The FSCG of the NSN 5310-01-345-6555 is 5310

Does NSN 5310-01-345-6555 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 5310-01-345-6555 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-345-6555 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 5310-01-345-6555 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Mon, Sep 23, 1991