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Recessed Washer NSN 5310-01-396-5262

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 5310-01-396-5262 NSN: 5310-01-396-5262

Features and Characteristics

Hole Diameter
Between 0.501 inches and 0.505 inches
Outside Diameter
Between 0.940 inches and 0.950 inches
Recess Diameter
Between 0.622 inches and 0.632 inches
Material Thickness
Between 0.071 inches and 0.085 inches
Special Features
0.035 chamfer, 40.5 degree min. Angle, 50.5 degree max. Angle
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl2 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
013965262
NSN
5310013965262

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3342168-1
Cage Code:
98897
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 5310-01-396-5262
What are the manufacturers of nsn 5310013965262?
Does this nsn 5310013965262 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013965262
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 5310013965262 contain any precious metals?
No precious metal content.
Does nsn 5310013965262 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013965262?
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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