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Recessed Washer NSN 5310-01-004-1992

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 5310-01-004-1992 NSN: 5310-01-004-1992

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Features and Characteristics

Hole Diameter
Between 2.990 inches and 3.010 inches
Outside Diameter
Between 3.536 inches and 3.540 inches
Overall Height
0.224 inches
Recess Depth
Between 0.094 inches and 0.096 inches
Material Thickness
Between 0.130 inches and 0.148 inches
Heat Treatment
As fabricated
Material
Steel
Material Specification
Mil-s-6721 military specification 1st material response or qq-s-763 federal specification 2nd material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
010041992
NSN
5310010041992

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3500296-1
Cage Code:
59364
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 5310-01-004-1992
What are the manufacturers of nsn 5310010041992?
Does this nsn 5310010041992 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010041992
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 5310010041992 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010041992 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010041992?
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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