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Shouldered And Recessed Washer NSN 5310-00-438-7162

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 5310-00-438-7162 NSN: 5310-00-438-7162

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Features and Characteristics

Hole Diameter
Between 0.140 inches and 0.145 inches
Shoulder Diameter
Between 0.235 inches and 0.240 inches
Outside Diameter
0.562 inches
Recess Diameter
0.202 inches
Shoulder Height
0.036 inches
Material Thickness
Between 0.037 inches and 0.047 inches
Recess Angle
90.0 degrees
Surface Finish
40.0 microinches inner
Material
Aluminum alloy 2024
Material Specification
Qq-a-200/3 federal specification single material response or qq-225/6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 type 1 military specification single treatment response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
004387162
NSN
5310004387162

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
139021
Cage Code:
26512
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 5310-00-438-7162
What are the manufacturers of nsn 5310004387162?
Does this nsn 5310004387162 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004387162
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 5310004387162 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004387162 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004387162?
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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