SME9925-3

View detailed technical data, stock status, and sourcing information for: SME9925-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-182-6136

Item Name Code

29725

Assigment Date

06/26/1984 (42 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

castellated, hexagon nut style, prevailing torque all metal design locking feature, right-hand thread direction, 3b thread class, 0.234 inches minimum and 0.266 inches maximum nut 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
Nut Style: castellated, hexagon
Nut Height: 0.234 inches minimum and 0.266 inches maximum
Width Across Flats: 0.243 inches minimum and 0.252 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Bearing Surface Type: flat
Material: steel corrosion resisting overall
Material Document And Classification: ams5735 assn std 1st material response or ams5737 assn std 2nd material 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
73781C-M-1032	Nut,self-Locking,castellated,hex
9109M45P01	Nut,self-Locking,castellated,hex
9109M45P05	Nut,self-Locking,castellated,hex
SME9925-3	Nut,self-Locking,castellated,hex

FAQs

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

What is the FSCG of the NSN 5310-01-182-6136?

The FSCG of the NSN 5310-01-182-6136 is 5310

Does the NSN 5310-01-182-6136 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-182-6136 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 5310-01-182-6136 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-182-6136 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 5310-01-182-6136 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Jun 26, 1984

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Pricing

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In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus	27
New Material	27
Total	54

Availability of this item was last updated on: 06/08/2026 01:06 AM EDT. Stock levels and pricing are subject to change.