SMTE9925-5

View detailed technical data, stock status, and sourcing information for: SMTE9925-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-540-2509

Item Name Code

29730

Assigment Date

09/25/1974 (51 years ago)

right-hand thread direction, prevailing torque all metal design locking feature, 0.520 inches maximum washer outside diameter, 3b thread class, 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: prevailing torque all metal design
Washer Outside Diameter: 0.520 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.188 inches nominal
Nut Style: slotted hexagon
Washer Thickness: 0.020 inches nominal
Width Across Flats: 0.367 inches minimum and 0.378 inches maximum
Temp Rating: 850.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-171-6546	No Name Available	04/01/1990

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
03A187-5L	Extended Washer Self-Locking Nut
10121470	Extended Washer Self-Locking Nut
73783CM-524	Extended Washer Self-Locking Nut
BH187-5	Extended Washer Self-Locking Nut
SMTE9925-5	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-540-2509?

The FSCG of the NSN 5310-00-540-2509 is 5310

Does the NSN 5310-00-540-2509 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-540-2509 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 5310-00-540-2509 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-540-2509 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 5310-00-540-2509 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Sep 25, 1974