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Recessed Washer NSN 5310-00-298-8797

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 5310-00-298-8797 NSN: 5310-00-298-8797

Features and Characteristics

Hole Diameter
Between 0.078 inches and 0.109 inches
Outside Diameter
Between 0.234 inches and 0.266 inches
Recess Diameter
0.121 inches
Material Thickness
Between 0.016 inches and 0.047 inches
Recess Angle
82.0 degrees
Material
Copper alloy 544
Material Specification
Sae assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002988797
NSN
5310002988797

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7219440
Cage Code:
19204
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-298-8797
What are the manufacturers of nsn 5310002988797?
Does this nsn 5310002988797 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002988797
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 5310002988797 contain any precious metals?
No precious metal content.
Does nsn 5310002988797 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002988797?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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