SMTE9925-12

View detailed technical data, stock status, and sourcing information for: SMTE9925-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-351-9198

Item Name Code

29730

Assigment Date

01/17/1992 (34 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.

3b thread class, 1.130 inches maximum washer outside diameter, right-hand thread direction, 0.785 inches maximum first end counterbore diameter, prevailing torque all metal design locking feature

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: 1.130 inches maximum
Counterbore Diameter: 0.785 inches maximum first end
Lubrication: dry film lubricant
Overall Height: 0.365 inches minimum and 0.385 inches maximum
Nut Style: slotted hexagon
Washer Thickness: 0.046 inches minimum and 0.066 inches maximum
Width Across Flats: 0.865 inches minimum and 0.880 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-512-6267	No Name Available	03/01/1998

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
03A187-12L	Extended Washer Self-Locking Nut
73783CM-1216	Extended Washer Self-Locking Nut
BH187-12	Extended Washer Self-Locking Nut
SMTE9925-12	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-351-9198?

The FSCG of the NSN 5310-01-351-9198 is 5310

Does the NSN 5310-01-351-9198 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-351-9198 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 5310-01-351-9198 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-351-9198 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 5310-01-351-9198 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Jan 17, 1992