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5310-01-377-0763

Extended Washer Self-Locking Nut

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Official Item Classification

Name
Extended Washer Self-Locking Nut
(NSN) National Stock Number
5310-01-377-0763
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
29730
(FIIG) Federal Item Identification Guide
A021A0
Date
07/02/1993 (33 years ago)

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

Specs & Compatibility

Thread Class

3b

Thread Direction

left-hand

Locking Feature

prevailing torque all metal design

Washer Outside Diameter

0.420 inches maximum

Lubrication

dry film lubricant

Overall Height

0.204 inches minimum and 0.219 inches maximum

Nut Style

hexagon

Washer Thickness

0.090 inches minimum

Width Across Flats

0.304 inches minimum and 0.316 inches maximum

Thread Series

unjf

Thread Quantity Per Inch

28

Hardness Rating

49.0 rockwell c maximum

Nominal Thread Size

0.250 inches

Material

steel comp 4340 and steel comp 8740 overall

Material Document And Classification

ams 6415 assn std 1st material response or ams 6322 assn std 2nd material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416, cl2 fed spec single treatment response overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0029730

Related Hardware Products

Part Number Description
3D0106-4 Extended Washer Self-Locking Nut
92961-4LH Extended Washer Self-Locking Nut
H14-4LHC Extended Washer Self-Locking Nut
LH13374-4LH Extended Washer Self-Locking Nut
MDR0106-4 Extended Washer Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-377-0763?
The FSCG of the NSN 5310-01-377-0763 is 5310
Does the NSN 5310-01-377-0763 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-377-0763 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 5310-01-377-0763 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-377-0763 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 5310-01-377-0763 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Fri, Jul 2, 1993