ST2173-11

View detailed technical data, stock status, and sourcing information for: ST2173-11
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-395-7749

Item Name Code

29729

Assigment Date

04/12/1974 (52 years ago)

prevailing torque all metal design locking feature, right-hand thread direction, 0.541 inches maximum washer outside diameter, 3b thread class, 0.473 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: 0.541 inches maximum
Overall Height: 0.473 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.065 inches minimum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 48.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Countersink Angle: 85.0 degrees minimum and 95.0 degrees maximum nut
Material: iron alloy 660 overall
Material Document And Classification: ams 5737 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-131-6766	No Name Available	09/01/1984

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
5310PL0723923	Extended Washer Self-Locking Nut
5310PL1997101	Extended Washer Self-Locking Nut
5310PL1997105	Extended Washer Self-Locking Nut
74483-524	Extended Washer Self-Locking Nut
H49500-5	Extended Washer Self-Locking Nut
ST2156-11	Extended Washer Self-Locking Nut
ST2169-02	Extended Washer Self-Locking Nut
ST2173-11	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-395-7749?

The FSCG of the NSN 5310-00-395-7749 is 5310

Does the NSN 5310-00-395-7749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-395-7749 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 5310-00-395-7749 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-395-7749 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 5310-00-395-7749 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Apr 12, 1974