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5310-01-063-2379

Find complete technical information, availability, and procurement data for: 5310-01-063-2379

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5310-01-063-2379
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-063-2379
Item Name Code
29729
Assigment Date
07/31/1978 (48 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

3b thread class, 0.645 inches nominal washer outside diameter, free-running all metal design locking feature, 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
free-running all metal design
Washer Outside Diameter
0.645 inches nominal
Lubrication
dry film lubricant
Overall Height
0.450 inches nominal
Nut Style
double hexagon
Washer Thickness
0.065 inches nominal
Width Across Flats
0.443 inches nominal
Temp Rating
450.0 fahrenheit nominal
Thread Series
unjf
Thread Quantity Per Inch
24
Nominal Thread Size
0.375 inches
Special Features
dry film lubricant per mil-l-8937
Material
iron alloy 660 overall
Material Document And Classification
ams5757 assn std single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-01-173-7836 No Name Available 03/01/1992

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
109LH9031-6 Extended Washer Self-Locking Nut
61170-624 Extended Washer Self-Locking Nut
67832AS624 Extended Washer Self-Locking Nut
BACN10HR6CS Extended Washer Self-Locking Nut
BMN5024CPD3-6 Extended Washer Self-Locking Nut
BMN5024CPD6 Extended Washer Self-Locking Nut
H39953-6 Extended Washer Self-Locking Nut
H50553-6 Extended Washer Self-Locking Nut
LD114-0016-0006 Extended Washer Self-Locking Nut
LD114-0016-006 Extended Washer Self-Locking Nut
SL7059-6 Extended Washer Self-Locking Nut
SL7059C624 Extended Washer Self-Locking Nut
SPS61170-624 Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-063-2379?
The FSCG of the NSN 5310-01-063-2379 is 5310
Does the NSN 5310-01-063-2379 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-063-2379 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 5310-01-063-2379 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-063-2379 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 5310-01-063-2379 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Jul 31, 1978

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 4,485
New Surplus 799
As Removed 1
Overhauled 1
Serviceable 1
Total 5,287
Availability of this item was last updated on: 07/15/2026 05:07 PM EDT. Stock levels and pricing are subject to change.

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