5310-01-320-1056

Find complete technical information, availability, and procurement data for: 5310-01-320-1056
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-320-1056

Item Name Code

29730

Assigment Date

05/19/1990 (36 years ago)

dry film lubricant lubrication, prevailing torque all metal design locking feature, right-hand thread direction, 0.420 inches maximum washer outside diameter, 3b thread class

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 maximum
Lubrication: dry film lubricant
Overall Height: 0.219 inches maximum
Nut Style: hexagon
Washer Thickness: 0.019 inches minimum
Width Across Flats: 0.305 inches minimum and 0.316 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
03A153-4L	Extended Washer Self-Locking Nut
83963-4L	Extended Washer Self-Locking Nut
BH1291C-4MFA	Extended Washer Self-Locking Nut
H52766-4	Extended Washer Self-Locking Nut
NRH30C-4M	Extended Washer Self-Locking Nut
VN324DH048	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-320-1056?

The FSCG of the NSN 5310-01-320-1056 is 5310

Does the NSN 5310-01-320-1056 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-320-1056 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 5310-01-320-1056 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-320-1056 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 5310-01-320-1056 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, May 19, 1990