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Recessed Washer NSN 5310-01-003-9468

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 5310-01-003-9468 NSN: 5310-01-003-9468

Features and Characteristics

Hole Diameter
Between 0.191 inches and 0.195 inches
Outside Diameter
Between 0.355 inches and 0.375 inches
Recess Diameter
Between 0.280 inches and 0.290 inches
Material Thickness
Between 0.057 inches and 0.069 inches
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Recess Angle
90.0 degrees
Material
Steel comp 4130 or steel comp 1050
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-18729 military specification 1st material response or ams 5085 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010039468
NSN
5310010039468

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
257655
Cage Code:
78062
Status:
A
MSDS:
Part Number:
WCL22-3
Cage Code:
56878
Status:
A
MSDS:
Part Number:
ACL22-3C
Cage Code:
10630
Status:
A
MSDS:
Part Number:
WCL22-3C
Cage Code:
56878
Status:
A
MSDS:
Part Number:
4D0003-3C
Cage Code:
88277
Status:
A
MSDS:
Part Number:
RA82001-3C
Cage Code:
97928
Status:
A
MSDS:
Part Number:
ACL22
Cage Code:
10630
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 5310-01-003-9468
What are the manufacturers of nsn 5310010039468?
Does this nsn 5310010039468 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010039468
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 5310010039468 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010039468 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010039468?
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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