Extended Washer Self-locking Nut NSN 5310-00-016-5781

Item Description

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

NSN: 5310-00-016-5781

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Features and Characteristics

Thread Pitch Diameters

+0.2884 to 0.2920 inches

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.480 inches and 0.490 inches

Overall Height

Between 0.326 inches and 0.336 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.045 inches and 0.055 inches

Width Across Flats

Between 0.367 inches and 0.376 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 35.0 rockwell c and 42.0 rockwell c

Thread Size

0.312 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Precious Material And Location

silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

FSC

5310 Nuts And Washers

NIIN

000165781

NSN

5310000165781

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

512091

Cage Code:

77445

Status:

MSDS:

Part Number:

59852-524

Cage Code:

56878

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318160000
NAICS: 332722
SITC: 69421
Description: Nuts of iron or steel
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-016-5781

What are the manufacturers of nsn 5310000165781?

United Technologies Corporation (77445)
Sps Technologies, Llc (56878)

Does this nsn 5310000165781 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310000165781
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. an integral feature is incorporated for locking on the threads of a mating member.

Does nsn 5310000165781 contain any precious metals?
Item contains silver.

Does nsn 5310000165781 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310000165781?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

29729

FIIG:

A021A0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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