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Shouldered And Recessed Washer NSN 5310-01-477-6974

Item Description

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5310-01-477-6974 NSN: 5310-01-477-6974

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Features and Characteristics

Hole Diameter
Between 0.276 inches and 0.286 inches
Shoulder Diameter
Between 1.720 inches and 1.730 inches
Outside Diameter
Between 2.455 inches and 2.505 inches
Shoulder Height
Between 0.1891 inches and 0.2809 inches
Material Thickness
Between 0.0309 inches and 0.0409 inches
End Application
De-ice control
Part Name Assigned By Controlling Agency
Navy special project
Material
Stainless steel
Surface Treatment
Cadmium and dichromate or zinc and dichromate
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
014776974
NSN
5310014776974

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12-700-009
Cage Code:
82807
Status:
A
MSDS:
Part Number:
12-700
Cage Code:
82807
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 5310-01-477-6974
What are the manufacturers of nsn 5310014776974?
Does this nsn 5310014776974 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310014776974
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5310014776974 contain any precious metals?
No precious metal content.
Does nsn 5310014776974 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310014776974?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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