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Recessed Washer NSN 5310-01-272-7452

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 5310-01-272-7452 NSN: 5310-01-272-7452

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Features and Characteristics

Hole Diameter
Between 0.378 inches and 0.388 inches
Outside Diameter
Between 0.677 inches and 0.697 inches
Recess Diameter
Between 0.483 inches and 0.495 inches
Material Thickness
Between 0.064 inches and 0.080 inches
Features Provided
Casehardened
Min. Tensile Strength (psi)
130000 pounds per square inch
Hardness Rating
Between 24.0 rockwell c and 37.0 rockwell c
Recess Angle
90.0 degrees
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response or ams 5732 assn standard single material response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
012727452
NSN
5310012727452

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS21-6
Cage Code:
10630
Status:
A
MSDS:
Part Number:
7688-50001-004
Cage Code:
15090
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 5310-01-272-7452
What are the manufacturers of nsn 5310012727452?
Does this nsn 5310012727452 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012727452
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 5310012727452 contain any precious metals?
No precious metal content.
Does nsn 5310012727452 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012727452?
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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