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Recessed Washer NSN 5310-01-053-5313

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 5310-01-053-5313 NSN: 5310-01-053-5313

Features and Characteristics

Hole Diameter
Between 0.141 inches and 0.150 inches
Outside Diameter
Between 0.360 inches and 0.380 inches
Recess Diameter
Between 0.270 inches and 0.290 inches
Material Thickness
Between 0.070 inches and 0.080 inches
Recess Angle
Between 99.0 degrees and 101.0 degrees
Material
Aluminum alloy
Material Specification
Qq-a-225/8, t651 federal specification single material response
Surface Treatment
Oxide film
Surface Treatment Specification
Mil-c-5541, cl 1a military specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010535313
NSN
5310010535313

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2105430-2
Cage Code:
64547
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 5310-01-053-5313
What are the manufacturers of nsn 5310010535313?
Does this nsn 5310010535313 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010535313
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 5310010535313 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010535313 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010535313?
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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