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Shouldered And Recessed Washer NSN 5310-00-054-8821

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 5310-00-054-8821 NSN: 5310-00-054-8821

Features and Characteristics

Hole Diameter
Between 0.670 inches and 0.672 inches
Shoulder Diameter
0.930 inches
Outside Diameter
Between 1.235 inches and 1.245 inches
Shoulder Height
0.030 inches
Material Thickness
0.029 inches
Recess Angle
45.0 degrees
Heat Treatment
As fabricated
Material
Steel
Material Specification
Qq-s-636, cond 5 /cancelled/ federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
000548821
NSN
5310000548821

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
23032-1143
Cage Code:
3CPE0
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 5310-00-054-8821
What are the manufacturers of nsn 5310000548821?
Does this nsn 5310000548821 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000548821
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 5310000548821 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000548821 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000548821?
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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