5310-01-387-3721

Find complete technical information, availability, and procurement data for: 5310-01-387-3721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-387-3721

Item Name Code

15891

Assigment Date

03/03/1994 (32 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.

prevailing torque all metal design locking feature, 3b thread class, floating self-locking barrel nut style, right-hand thread direction, dry film lubricant lubrication

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
Locking Feature: prevailing torque all metal design
Lubrication: dry film lubricant
Nut Style: floating self-locking barrel
Nut Diameter: 0.740 inches minimum and 0.760 inches maximum
Nut Length: 0.740 inches minimum and 0.760 inches maximum
Barrel Height: 0.410 inches minimum and 0.420 inches maximum
Nut Height: 0.615 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Special Features: cradle material 6al-4v titanium per mil-t-9047 ty3, comp/a
Material: iron alloy 660 or nickel alloy 718 nut
Material Document And Classification: ams 5737 assn std 1st material response or ams 5662 assn std 2nd material response nut
Surface Treatment: passivate nut
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response nut

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
03A155-6	Barrel Self-Locking Nut
83064-6	Barrel Self-Locking Nut
F52898-6	Barrel Self-Locking Nut
SL4103-6	Barrel Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-387-3721?

The FSCG of the NSN 5310-01-387-3721 is 5310

Does the NSN 5310-01-387-3721 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-387-3721 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 5310-01-387-3721 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-387-3721 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 5310-01-387-3721 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Mar 3, 1994