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Shouldered Washer NSN 5310-01-127-8541

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 5310-01-127-8541 NSN: 5310-01-127-8541

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Features and Characteristics

Hole Diameter
3.140 inches
Shoulder Diameter
3.900 inches
Outside Diameter
6.000 inches
Shoulder Height
0.190 inches
Material Thickness
0.250 inches
Material
Copper alloy 510
Material Specification
Qq-b-750 comp a federal specification single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
011278541
NSN
5310011278541

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
201-4684481 ITEM 14
Cage Code:
53711
Status:
A
MSDS:
Part Number:
4684481-0014
Cage Code:
96169
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-127-8541
What are the manufacturers of nsn 5310011278541?
Does this nsn 5310011278541 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011278541
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 5310011278541 contain any precious metals?
No precious metal content.
Does nsn 5310011278541 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011278541?
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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