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Shouldered And Recessed Washer NSN 5310-00-531-9445

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 5310-00-531-9445 NSN: 5310-00-531-9445

Features and Characteristics

Hole Diameter
Between 0.591 inches and 0.595 inches
Outside Diameter
Between 1.281 inches and 1.344 inches
Shoulder Height
Between 0.045 inches and 0.055 inches
Material Thickness
0.032 inches
Recess Angle
57.0 degrees
Material
Steel comp 302
Material Specification
Aisi assn standard single material response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
005319445
NSN
5310005319445

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2180
Cage Code:
18965
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 5310-00-531-9445
What are the manufacturers of nsn 5310005319445?
Does this nsn 5310005319445 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005319445
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 5310005319445 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005319445 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005319445?
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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