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Recessed Washer NSN 5310-00-167-0879

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 5310-00-167-0879 NSN: 5310-00-167-0879

Features and Characteristics

Hole Diameter
Between 0.375 inches and 0.407 inches
Outside Diameter
Between 0.765 inches and 0.797 inches
Overall Height
Between 0.187 inches and 0.219 inches
Recess Depth
Between 0.125 inches and 0.157 inches
Material Thickness
Between 0.077 inches and 0.109 inches
Material
Steel comp 1018 or steel comp 1020 or steel comp 1025 or steel
Material Specification
Astm a108 assn standard 1st material response or astm a108 assn standard 2nd material response or astm a108 assn standard 3rd material response or qq-s-698 federal specification 4th material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
001670879
NSN
5310001670879

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN975-6
Cage Code:
88044
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-167-0879
What are the manufacturers of nsn 5310001670879?
Does this nsn 5310001670879 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001670879
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 5310001670879 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001670879 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001670879?
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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