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Recessed Washer NSN 5310-00-904-4127

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 5310-00-904-4127 NSN: 5310-00-904-4127

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Features and Characteristics

Hole Diameter
Between 0.630 inches and 0.641 inches
Outside Diameter
Between 1.365 inches and 1.385 inches
Recess Diameter
Between 0.765 inches and 0.785 inches
Material Thickness
0.313 inches
Min. Tensile Strength (psi)
145000 pounds per square inch
Hardness Rating
Between 40.0 rockwell c and 44.0 rockwell c
Recess Angle
90.0 degrees
Material
Steel comp 4140
Material Specification
Mil-s-5626 cond d4 military specification single material response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
009044127
NSN
5310009044127

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9525611
Cage Code:
0B949
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 5310-00-904-4127
What are the manufacturers of nsn 5310009044127?
Does this nsn 5310009044127 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009044127
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 5310009044127 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009044127 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009044127?
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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