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Recessed Washer NSN 5310-00-351-0070

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 5310-00-351-0070 NSN: 5310-00-351-0070

Features and Characteristics

Hole Diameter
Between 0.139 inches and 0.144 inches
Outside Diameter
Between 0.302 inches and 0.322 inches
Overall Height
Between 0.058 inches and 0.068 inches
Recess Depth
0.015 inches
Material Thickness
Between 0.047 inches and 0.060 inches
End Application
An/alq-94/137 common
Surface Finish
63.0 microinches all surfaces
Material
Steel comp 303
Material Specification
Qq-s-764 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, finish e300 military specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
003510070
NSN
5310003510070

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
33888P3
Cage Code:
94117
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 5310-00-351-0070
What are the manufacturers of nsn 5310003510070?
Does this nsn 5310003510070 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003510070
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 5310003510070 contain any precious metals?
No precious metal content.
Does nsn 5310003510070 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003510070?
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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