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Recessed Washer NSN 5310-01-375-5165

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 5310-01-375-5165 NSN: 5310-01-375-5165

Features and Characteristics

Hole Diameter
Between 0.193 inches and 0.213 inches
Outside Diameter
0.438 inches
Overall Height
0.063 inches
Recess Diameter
0.344 inches
Recess Depth
0.031 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/5, t3 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541, cl 3 military specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
013755165
NSN
5310013755165

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
335061P01
Cage Code:
62228
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 5310-01-375-5165
What are the manufacturers of nsn 5310013755165?
Does this nsn 5310013755165 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013755165
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 5310013755165 contain any precious metals?
No precious metal content.
Does nsn 5310013755165 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013755165?
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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