5310-01-387-0391

Find complete technical information, availability, and procurement data for: 5310-01-387-0391
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-387-0391

Item Name Code

29730

Assigment Date

02/24/1994 (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.

right-hand thread direction, prevailing torque all metal design locking feature, 3b thread class, soluble lubricant lubrication, 0.636 inches maximum washer outside 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.636 inches maximum
Lubrication: soluble lubricant
Overall Height: 0.465 inches maximum
Nut Style: hexagon
Washer Thickness: 0.117 inches minimum and 0.127 inches maximum
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Material: plastic polytetrafluoroethylene seal
Material: steel comp 8740 or steel comp e4340 nut
Material Document And Classification: mil-p-19468 mil spec single material response seal
Material Document And Classification: mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 2nd material response nut
Surface Treatment: cadmium and chromate nut
Surface Treatment Document And Classification: qq-p-416, ty2, cl2 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
BH00529-5	Extended Washer Self-Locking Nut
KFN556-5	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-387-0391?

The FSCG of the NSN 5310-01-387-0391 is 5310

Does the NSN 5310-01-387-0391 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-387-0391 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 5310-01-387-0391 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-387-0391 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 5310-01-387-0391 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Feb 24, 1994