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Recessed Washer NSN 5310-01-167-4070

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 5310-01-167-4070 NSN: 5310-01-167-4070

Features and Characteristics

Hole Diameter
Between 0.192 inches and 0.199 inches
Outside Diameter
0.438 inches
Recess Diameter
Between 0.274 inches and 0.281 inches
Material Thickness
Between 0.075 inches and 0.085 inches
Min. Tensile Strength (psi)
180000 pounds per square inch
Recess Angle
90.0 degrees
Material
Steel comp 4130
Material Specification
Mil-s-18729 military specification single material response or mil-s-6758, cond d1 or d4 military specification single material response
Surface Treatment
Nickel and zinc
Surface Treatment Specification
La0109-005, fscm 43999 mfr ref all treatment responses
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
011674070
NSN
5310011674070

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LD153-0016-1003
Cage Code:
43999
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 5310-01-167-4070
What are the manufacturers of nsn 5310011674070?
Does this nsn 5310011674070 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011674070
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 5310011674070 contain any precious metals?
No precious metal content.
Does nsn 5310011674070 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011674070?
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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