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Recessed Washer NSN 5310-01-467-9953

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 5310-01-467-9953 NSN: 5310-01-467-9953

Features and Characteristics

Hole Diameter
Between 0.344 inches and 0.355 inches
Outside Diameter
0.313 inches
Recess Diameter
Between 0.425 inches and 0.445 inches
Recess Depth
0.0434 inches
Material Thickness
Between 0.057 inches and 0.069 inches
End Application
Aircraft b-52
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Recess Angle
45.0 degrees
Material
Steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 4135
Material Specification
Mil-s-18729 military specification 1st material response or mils-18728 military specification 2nd material response or ams 6357 assn standard 3rd material response or ams 6352 assn standard 4th material response
Surface Treatment
Copper alloy and nickel
Surface Treatment Specification
Ams 2416 assn standard single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
014679953
NSN
5310014679953

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10BP52C
Cage Code:
81205
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 5310-01-467-9953
What are the manufacturers of nsn 5310014679953?
Does this nsn 5310014679953 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310014679953
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 5310014679953 contain any precious metals?
No precious metal content.
Does nsn 5310014679953 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310014679953?
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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