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Recessed Washer NSN 5310-00-662-4137

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 5310-00-662-4137 NSN: 5310-00-662-4137

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Features and Characteristics

Hole Diameter
Between 1.320 inches and 1.340 inches
Outside Diameter
Between 1.830 inches and 1.850 inches
Overall Height
Between 0.115 inches and 0.135 inches
Recess Depth
Between 0.065 inches and 0.066 inches
Material Thickness
Between 0.059 inches and 0.060 inches
Surface Finish
40.0 microinches counterbore wall
Material
Copper alloy 953
Material Specification
Qq-c-390 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
006624137
NSN
5310006624137

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9495-99
Cage Code:
13002
Status:
A
MSDS:
Part Number:
62C31643
Cage Code:
98747
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 5310-00-662-4137
What are the manufacturers of nsn 5310006624137?
Does this nsn 5310006624137 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006624137
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 5310006624137 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310006624137 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006624137?
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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