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Recessed Washer NSN 5310-00-680-6251

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 5310-00-680-6251 NSN: 5310-00-680-6251

Features and Characteristics

Hole Diameter
Between 0.687 inches and 0.694 inches
Outside Diameter
1.040 inches
Recess Diameter
0.814 inches
Material Thickness
0.120 inches
Min. Tensile Strength (psi)
125000 pounds per square inch
Recess Angle
45.0 degrees
Material
Steel
Material Specification
Mil-s-6050 cond f4 military specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
006806251
NSN
5310006806251

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
350163
Cage Code:
98897
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 5310-00-680-6251
What are the manufacturers of nsn 5310006806251?
Does this nsn 5310006806251 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006806251
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 5310006806251 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310006806251 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006806251?
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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