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Recessed Washer NSN 5310-00-150-4208

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 5310-00-150-4208 NSN: 5310-00-150-4208

Features and Characteristics

Hole Diameter
Between 0.376 inches and 0.380 inches
Outside Diameter
Between 0.740 inches and 0.760 inches
Recess Diameter
Between 0.484 inches and 0.507 inches
Material Thickness
Between 0.068 inches and 0.088 inches
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Recess Angle
Between 80.0 degrees and 100.0 degrees
Material
Steel comp 4140 or steel comp 4130 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-6758 military specification 2nd material response or ams 6358 assn standard 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
Style Designator
Recessed
Specification Data
81205-bacw10ak manufacturers standard
FSC
5310 Nuts And Washers
NIIN
001504208
NSN
5310001504208

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10AKC6
Cage Code:
17765
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 5310-00-150-4208
What are the manufacturers of nsn 5310001504208?
Does this nsn 5310001504208 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001504208
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 5310001504208 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001504208 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001504208?
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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