5310-00-556-6373

Find complete technical information, availability, and procurement data for: 5310-00-556-6373
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-556-6373

Item Name Code

29729

Assigment Date

11/08/1974 (51 years ago)

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

right-hand thread direction, 0.420 inches minimum and 0.440 inches maximum washer outside diameter, 3b thread class, prevailing torque all metal design locking feature, 0.385 inches minimum and 0.400 inches maximum overall height

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: 0.420 inches minimum and 0.440 inches maximum
Overall Height: 0.385 inches minimum and 0.400 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.040 inches minimum and 0.060 inches maximum
Width Across Flats: 0.312 inches nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 90.0 degrees nominal nut
Material: steel overall
Precious Material: silver
Surface Treatment: silver 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
3029T03	Extended Washer Self-Locking Nut
3029T03P02	Extended Washer Self-Locking Nut
3029T03P04	Extended Washer Self-Locking Nut
H50019-4	Extended Washer Self-Locking Nut
VN1479W048	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-556-6373?

The FSCG of the NSN 5310-00-556-6373 is 5310

Does the NSN 5310-00-556-6373 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-556-6373 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 5310-00-556-6373 contain precious materials?

Item contains silver.

Does NSN 5310-00-556-6373 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 5310-00-556-6373 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Nov 8, 1974