5310-01-378-8179

Find complete technical information, availability, and procurement data for: 5310-01-378-8179
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-378-8179

Item Name Code

29729

Assigment Date

08/21/1993 (32 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3b thread class, wax lubrication, free-running all metal design locking feature, 0.648 inches minimum and 0.658 inches maximum washer outside diameter, right-hand thread direction

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: 0.648 inches minimum and 0.658 inches maximum
Lubrication: wax
Overall Height: 0.458 inches minimum and 0.468 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.103 inches minimum and 0.113 inches maximum
End Item Identification: f-16 acft
Width Across Flats: 0.492 inches minimum and 0.502 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 38.0 rockwell c nominal
Nominal Thread Size: 0.375 inches
Special Features: safety flight
Material: steel comp 8620 or steel comp 4037 or steel comp 8740 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, type 1 class 3 fed spec all treatment responses 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
42FW624	Extended Washer Self-Locking Nut
9235390-05	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-378-8179?

The FSCG of the NSN 5310-01-378-8179 is 5310

Does the NSN 5310-01-378-8179 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-378-8179 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 5310-01-378-8179 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-378-8179 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 5310-01-378-8179 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Sat, Aug 21, 1993