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Recessed Washer NSN 5310-01-248-7072

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 5310-01-248-7072 NSN: 5310-01-248-7072

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Features and Characteristics

Hole Diameter
0.500 inches
Outside Diameter
1.000 inches
Recess Diameter
0.562 inches
Material Thickness
0.125 inches
Recess Angle
52.0 degrees
Surface Finish
32.0 microinches counterbore wall
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 630
Material Specification
Ams 5643, cond h1100 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 1 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
012487072
NSN
5310012487072

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NWC78A339
Cage Code:
12934
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 5310-01-248-7072
What are the manufacturers of nsn 5310012487072?
Does this nsn 5310012487072 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012487072
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 5310012487072 contain any precious metals?
No precious metal content.
Does nsn 5310012487072 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012487072?
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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