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Recessed Washer NSN 5310-00-670-2271

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 5310-00-670-2271 NSN: 5310-00-670-2271

Features and Characteristics

Hole Diameter
Between 0.252 inches and 0.260 inches
Outside Diameter
0.433 inches
Recess Diameter
Between 0.334 inches and 0.344 inches
Material Thickness
Between 0.072 inches and 0.084 inches
Min. Tensile Strength (psi)
125 pounds per square inch
Recess Angle
90.0 degrees
Heat Treatment
Normalized and tempered
Material
Steel
Material Specification
Mil-s-6758 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Style Designator
Recessed
Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
FSC
5310 Nuts And Washers
NIIN
006702271
NSN
5310006702271

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2667568
Cage Code:
88277
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 5310-00-670-2271
What are the manufacturers of nsn 5310006702271?
Does this nsn 5310006702271 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006702271
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 5310006702271 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310006702271 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006702271?
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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