5310-01-668-2721

Find complete technical information, availability, and procurement data for: 5310-01-668-2721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-668-2721

Item Name Code

01857

Assigment Date

11/15/2017 (8 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

right-hand thread direction, 23.67 millimeters minimum and 24.00 millimeters maximum width across flats, iso m thread series, 15.7 millimeters minimum and 16.4 millimeters maximum nut height, hexagon nut style

Product Characteristics

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

Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 15.7 millimeters minimum and 16.4 millimeters maximum
Width Across Flats: 23.67 millimeters minimum and 24.00 millimeters maximum
Thread Series: iso m
Hardness Rating: 25.0 rockwell c minimum and 36.0 rockwell c maximum
Nominal Thread Size: 16.0 millimeters
Thread Pitch In Millimeters: 1.5
Bearing Surface Type: chamfered
Material: steel property class 12.9 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
ISO4033-M16X1.5	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-668-2721?

The FSCG of the NSN 5310-01-668-2721 is 5310

Does the NSN 5310-01-668-2721 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-668-2721 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 5310-01-668-2721 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-668-2721 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 5310-01-668-2721 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Wed, Nov 15, 2017