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Recessed Washer NSN 5310-01-058-7101

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 5310-01-058-7101 NSN: 5310-01-058-7101

Features and Characteristics

Hole Diameter
Between 0.096 inches and 0.097 inches
Outside Diameter
Between 0.141 inches and 0.146 inches
Recess Diameter
Between 0.102 inches and 0.103 inches
Material Thickness
Between 0.0125 inches and 0.0135 inches
Recess Angle
90.0 degrees
Surface Finish
16.0 microinches top
Material
Copper alloy 260 or copper alloy 268
Material Specification
Qq-b-613, temper hard federal specification 1st material response or qq-b-613, temper hard federal specification 2nd material response or qq-b-626, temper hard federal specification 1st material response or qq-b-626, temper hard federal specification 2nd material response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010587101
NSN
5310010587101

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
639AS627-9
Cage Code:
30003
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 5310-01-058-7101
What are the manufacturers of nsn 5310010587101?
Does this nsn 5310010587101 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010587101
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 5310010587101 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010587101 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010587101?
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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