5310-01-179-3740

Find complete technical information, availability, and procurement data for: 5310-01-179-3740
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-179-3740

Item Name Code

29730

Assigment Date

05/17/1984 (42 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

right-hand thread direction, prevailing torque all metal design locking feature, 1.050 inches minimum and 1.054 inches maximum washer outside diameter, 3b thread class, 0.535 inches nominal 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: 1.050 inches minimum and 1.054 inches maximum
Overall Height: 0.535 inches nominal
Nut Style: hexagon
Washer Thickness: 0.208 inches nominal
Width Across Flats: 0.803 inches minimum and 0.814 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.5625 inches
Special Features: two wire holes 0.050 to 0.060 in.dia.,one ea located 180 deg.angle on hex points
Material: steel corrosion resisting overall
Material Document And Classification: ams5646 assn std single material response overall
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams2510 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
9970M89P02	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-179-3740?

The FSCG of the NSN 5310-01-179-3740 is 5310

Does the NSN 5310-01-179-3740 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-179-3740 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 5310-01-179-3740 contain precious materials?

Item contains silver.

Does NSN 5310-01-179-3740 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 5310-01-179-3740 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, May 17, 1984