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Shouldered Washer NSN 5310-00-912-3731

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN 5310-00-912-3731 NSN: 5310-00-912-3731

Features and Characteristics

Hole Diameter
Between 0.447 inches and 0.459 inches
Shoulder Diameter
Between 0.900 inches and 0.920 inches
Outside Diameter
1.312 inches
Overall Height
Between 0.180 inches and 0.200 inches
Shoulder Height
Between 0.095 inches and 0.125 inches
Special Features
Washer, shouldered-flat edge to center .46
Heat Treatment
T-4 solution heat treated, natural aged
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 cond t4 federal specification single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
009123731
NSN
5310009123731

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
32-69893-3
Cage Code:
76301
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-912-3731
What are the manufacturers of nsn 5310009123731?
Does this nsn 5310009123731 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009123731
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
Does nsn 5310009123731 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009123731 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009123731?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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