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Recessed Washer NSN 5310-01-259-9295

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 5310-01-259-9295 NSN: 5310-01-259-9295

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Features and Characteristics

Hole Diameter
Between 0.255 inches and 0.262 inches
Outside Diameter
0.625 inches
Recess Diameter
Between 0.490 inches and 0.500 inches
Material Thickness
Between 0.125 inches and 0.135 inches
Recess Angle
Between 99.0 degrees and 102.0 degrees
Material
Steel comp 321
Material Specification
Qq-s-763 federal specification single material response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
012599295
NSN
5310012599295

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
75A353088-2001
Cage Code:
23294
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 5310-01-259-9295
What are the manufacturers of nsn 5310012599295?
Does this nsn 5310012599295 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012599295
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 5310012599295 contain any precious metals?
No precious metal content.
Does nsn 5310012599295 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012599295?
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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