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Shouldered And Recessed Washer NSN 5310-01-054-6374

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 5310-01-054-6374 NSN: 5310-01-054-6374

Features and Characteristics

Hole Diameter
Between 0.254 inches and 0.255 inches
Shoulder Diameter
Between 0.310 inches and 0.312 inches
Outside Diameter
Between 0.420 inches and 0.421 inches
Recess Diameter
Between 0.290 inches and 0.291 inches
Shoulder Height
Between 0.024 inches and 0.026 inches
Recess Depth
Between 0.030 inches and 0.032 inches
Material Thickness
Between 0.047 inches and 0.051 inches
Material
Steel comp 630
Material Specification
Ams-5643 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
010546374
NSN
5310010546374

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
585281-1
Cage Code:
70210
Status:
A
MSDS:
Part Number:
42849B
Cage Code:
73760
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 5310-01-054-6374
What are the manufacturers of nsn 5310010546374?
Does this nsn 5310010546374 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010546374
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 5310010546374 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010546374 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010546374?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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