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Shouldered Washer NSN 5310-01-078-1261

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 5310-01-078-1261 NSN: 5310-01-078-1261

Features and Characteristics

Hole Diameter
0.218 inches
Shoulder Diameter
0.7465 inches
Outside Diameter
1.000 inches
Shoulder Height
0.125 inches
Material Thickness
0.070 inches
Special Features
Item used on xm1
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t351 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, ty ii, cl 1 military specification single treatment response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
010781261
NSN
5310010781261

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12282338
Cage Code:
19200
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 5310-01-078-1261
What are the manufacturers of nsn 5310010781261?
Does this nsn 5310010781261 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010781261
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 5310010781261 contain any precious metals?
No precious metal content.
Does nsn 5310010781261 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010781261?
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
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