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Recessed Washer NSN 5310-00-151-5426

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 5310-00-151-5426 NSN: 5310-00-151-5426

Features and Characteristics

Hole Diameter
Between 0.438 inches and 0.440 inches
Outside Diameter
Between 0.771 inches and 0.791 inches
Recess Diameter
Between 0.498 inches and 0.520 inches
Material Thickness
Between 0.070 inches and 0.090 inches
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
Between 33.0 rockwell c and 37.0 rockwell c
Recess Angle
90.0 degrees
Special Features
Od on recessed side chamfered 45 degrees by 0.030 in. Min, 0.040 in. Max
Material
Steel comp 4130
Material Specification
Mil-s-18729 military specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
001515426
NSN
5310001515426

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GW10F7B
Cage Code:
26512
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 5310-00-151-5426
What are the manufacturers of nsn 5310001515426?
Does this nsn 5310001515426 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001515426
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 5310001515426 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001515426 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001515426?
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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