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Recessed Washer NSN 5310-00-479-1252

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 5310-00-479-1252 NSN: 5310-00-479-1252

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Features and Characteristics

Hole Diameter
Between 1.115 inches and 1.135 inches
Outside Diameter
Between 1.470 inches and 1.490 inches
Overall Height
Between 0.110 inches and 0.130 inches
Recess Depth
Between 0.050 inches and 0.070 inches
Material Thickness
Between 0.048 inches and 0.068 inches
Hardness Rating
55.0 rockwell superficial 15-t
Material
Copper alloy
Material Specification
Astm b42 assn standard single material response
Surface Treatment
Lead
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
004791252
NSN
5310004791252

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
65858
Cage Code:
0AHP5
Status:
A
MSDS:
Part Number:
SRS65858
Cage Code:
14153
Status:
A
MSDS:
Part Number:
5310H34-013
Cage Code:
81996
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 5310-00-479-1252
What are the manufacturers of nsn 5310004791252?
Does this nsn 5310004791252 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004791252
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 5310004791252 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004791252 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004791252?
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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