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Recessed Washer NSN 5310-00-272-5673

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 5310-00-272-5673 NSN: 5310-00-272-5673

Features and Characteristics

Hole Diameter
Between 0.386 inches and 0.394 inches
Outside Diameter
Between 0.802 inches and 0.812 inches
Overall Height
Between 0.100 inches and 0.110 inches
Recess Depth
Between 0.025 inches and 0.045 inches
Material Thickness
Between 0.065 inches and 0.075 inches
Hardness Rating
Between 35.0 rockwell c and 40.0 rockwell c
Special Features
Chamfer 45 degrees by 0.025 to 0.037 in. Od on side of recess
Material
Steel comp 6150
Material Specification
Sae assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002725673
NSN
5310002725673

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
WA5285
Cage Code:
04998
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 5310-00-272-5673
What are the manufacturers of nsn 5310002725673?
Does this nsn 5310002725673 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002725673
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 5310002725673 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002725673 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002725673?
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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