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Recessed Washer NSN 5310-01-094-2894

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 5310-01-094-2894 NSN: 5310-01-094-2894

Features and Characteristics

Hole Diameter
Between 0.196 inches and 0.209 inches
Outside Diameter
Between 0.790 inches and 0.810 inches
Recess Diameter
Between 0.392 inches and 0.402 inches
Material Thickness
0.090 inches
Hardness Rating
Between 30.0 rockwell c and 35.0 rockwell c
Recess Angle
Between 99.0 degrees and 101.0 degrees
Heat Treatment
Quenched and tempered
Material
Steel comp 4130
Material Specification
Mil-s-18729 military specification single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Dod-p-16232, ty m, cl 3 military specification single treatment response or dod-p-16232, ty z, cl 3 military specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010942894
NSN
5310010942894

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
135B5661-3
Cage Code:
2W245
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 5310-01-094-2894
What are the manufacturers of nsn 5310010942894?
Does this nsn 5310010942894 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010942894
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 5310010942894 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010942894 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010942894?
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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