ST.16126

View detailed technical data, stock status, and sourcing information for: ST.16126
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-878-3291

Item Name Code

29730

Assigment Date

01/01/1962 (64 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.

0.244 inches maximum washer outside diameter, right-hand thread direction, soluble lubricant lubrication, 3b thread class, 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: 0.244 inches maximum
Lubrication: soluble lubricant
Overall Height: 0.115 inches minimum and 0.141 inches maximum
Nut Style: hexagon
Washer Thickness: 0.010 inches minimum
End Item Identification: armored multi-purpose vehicle (ampv)
Width Across Flats: 0.181 inches minimum and 0.190 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5735 assn std single material response overall
Precious Material And Location: external surface silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: qq-s-365 fed spec single treatment response or ams 2410 assn std 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-725-8269	No Name Available	04/01/1993
5310-00-842-9655	No Name Available	11/06/1968

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
10121786	Extended Washer Self-Locking Nut
2523333	Extended Washer Self-Locking Nut
5310008783291	Extended Washer Self-Locking Nut
5310PL0685752	Extended Washer Self-Locking Nut
7383858-PL708782-55	Extended Washer Self-Locking Nut
7550480-PL708782-55	Extended Washer Self-Locking Nut
938.07.68.402	Extended Washer Self-Locking Nut
FN1014-632	Extended Washer Self-Locking Nut
H41L06	Extended Washer Self-Locking Nut
MN19-06	Extended Washer Self-Locking Nut
MS21043	Extended Washer Self-Locking Nut
MS21043-06	Extended Washer Self-Locking Nut
P146007002	Extended Washer Self-Locking Nut
ST.16126	Extended Washer Self-Locking Nut
T99C632	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-878-3291?

The FSCG of the NSN 5310-00-878-3291 is 5310

Does the NSN 5310-00-878-3291 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-878-3291 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5310-00-878-3291 contain precious materials?

Item contains silver.

Does NSN 5310-00-878-3291 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 5310-00-878-3291 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962