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Recessed Washer NSN 5310-01-072-9037

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 5310-01-072-9037 NSN: 5310-01-072-9037

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Features and Characteristics

Hole Diameter
Between 0.250 inches and 0.257 inches
Outside Diameter
Between 0.615 inches and 0.635 inches
Recess Diameter
Between 0.497 inches and 0.507 inches
Material Thickness
Between 0.116 inches and 0.124 inches
Min. Tensile Strength (psi)
750000 pounds per square inch
Recess Angle
Between 79.0 degrees and 81.0 degrees
Special Features
Color code dtm (dykemco)
Color
Brown
Material
Steel comp 321 or steel comp 347
Material Specification
Qq-s-763, cond a federal specification all material responses
Surface Treatment
Passivate
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010729037
NSN
5310010729037

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ST4M150C4002
Cage Code:
76301
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 5310-01-072-9037
What are the manufacturers of nsn 5310010729037?
Does this nsn 5310010729037 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010729037
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 5310010729037 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010729037 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010729037?
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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