5310-01-439-5916

Find complete technical information, availability, and procurement data for: 5310-01-439-5916
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-439-5916

Item Name Code

29729

Assigment Date

12/13/1996 (29 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, prevailing torque all metal design locking feature, right-hand thread direction, 1.340 inches minimum and 1.350 inches maximum washer outside diameter, 0.776 inches minimum and 0.786 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: 1.340 inches minimum and 1.350 inches maximum
Overall Height: 0.776 inches minimum and 0.786 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.185 inches nominal
Width Across Flats: 0.928 inches minimum and 0.940 inches maximum
Temp Rating: 600.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Hardness Rating: 25.0 rockwell c minimum
Nominal Thread Size: 0.750 inches
Material: steel overall
Precious Material And Location: all surfaces silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std 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
49FW-1216	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-439-5916?

The FSCG of the NSN 5310-01-439-5916 is 5310

Does the NSN 5310-01-439-5916 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-439-5916 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 5310-01-439-5916 contain precious materials?

Item contains silver.

Does NSN 5310-01-439-5916 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 5310-01-439-5916 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Dec 13, 1996