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Recessed Washer NSN 5310-01-043-8079

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-01-043-8079 NSN: 5310-01-043-8079

Features and Characteristics

Hole Diameter
Between 0.250 inches and 0.252 inches
Outside Diameter
0.562 inches
Recess Diameter
0.381 inches
Material Thickness
0.080 inches
Recess Angle
100.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, temper t851 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010438079
NSN
5310010438079

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51B46552-17
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 5310-01-043-8079
What are the manufacturers of nsn 5310010438079?
Does this nsn 5310010438079 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010438079
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310010438079 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010438079 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010438079?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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