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Recessed Washer NSN 5310-00-274-9569

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 5310-00-274-9569 NSN: 5310-00-274-9569

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Features and Characteristics

Hole Diameter
Between 0.276 inches and 0.279 inches
Outside Diameter
Between 0.521 inches and 0.541 inches
Material Thickness
Between 0.109 inches and 0.125 inches
Top Recess Diameter
Between 0.284 inches and 0.287 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 0.284 inches and 0.287 inches
Special Features
Outside edge of both surfaces chamfered 0.016 inch by 45 degrees
Material
Steel comp 1213
Material Specification
Aisi assn standard single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
002749569
NSN
5310002749569

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SR7916
Cage Code:
55509
Status:
A
MSDS:
Part Number:
3A462
Cage Code:
15723
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 5310-00-274-9569
What are the manufacturers of nsn 5310002749569?
Does this nsn 5310002749569 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002749569
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 5310002749569 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002749569 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002749569?
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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