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Recessed Washer NSN 5310-00-878-3579

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 5310-00-878-3579 NSN: 5310-00-878-3579

Features and Characteristics

Hole Diameter
1.375 inches
Outside Diameter
Between 2.500 inches and 2.562 inches
Recess Diameter
1.875 inches
Material Thickness
0.625 inches
Material
Steel comp a or steel comp b or steel comp c or steel comp 1008 or steel comp 1025
Material Specification
Qq-s-741 federal specification 1st material response or qq-s-741 federal specification 2nd material response or qq-s-741 federal specification 3rd material response or astm a108 assn standard 4th material response or astm a108 assn standard 5th material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
008783579
NSN
5310008783579

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11612653
Cage Code:
19207
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 5310-00-878-3579
What are the manufacturers of nsn 5310008783579?
Does this nsn 5310008783579 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008783579
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 5310008783579 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008783579 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008783579?
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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