Extended Washer Self-locking Nut NSN 5310-00-181-6821

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: 5310-00-181-6821

Stock Availability

NSN 5310001816821 availability
(as of 10/31/2023).

NE: 5
NS: 6

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Related NSN

Features and Characteristics

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.431 inches

Overall Height

Between 0.317 inches and 0.327 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.047 inches and 0.057 inches

Width Across Flats

Between 0.306 inches and 0.315 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Iron alloy 660

Material Specification

Ams 5735 or ams 5737 assn standard single material response

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

410, elastic stop nut corporation mfr ref single treatment response

FSC

5310 Nuts And Washers

NIIN

001816821

NSN

5310001816821

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

6859746-428

Cage Code:

63005

Status:

MSDS:

Part Number:

SL7004C428

Cage Code:

71087

Status:

MSDS:

Part Number:

SL700C428

Cage Code:

11815

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 5310-00-181-6821

What are the manufacturers of nsn 5310001816821?

Rolls-royce Corporation (63005)
Allison Transmission, Inc. (73342)
Republic Fastener Mfg. Corp. Use (71087)
Sps Technologies, Llc (11815)
Republic Fastener Mfg. Corp (52828)

Does this nsn 5310001816821 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310001816821
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 5310001816821 contain any precious metals?
Item contains silver.

Does nsn 5310001816821 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310001816821?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service