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Recessed Washer NSN 5310-00-393-4072

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 5310-00-393-4072 NSN: 5310-00-393-4072

Features and Characteristics

Hole Diameter
Between 0.500 inches and 0.510 inches
Outside Diameter
Between 0.865 inches and 0.885 inches
Material Thickness
Between 0.153 inches and 0.158 inches
Top Recess Diameter
Between 0.630 inches and 0.650 inches
Bottom Recess Angle
Between 60.0 degrees and 64.0 degrees
Top Recess Angle
Between 60.0 degrees and 64.0 degrees
Bottom Recess Diameter
Between 0.630 inches and 0.650 inches
Material
Plastic polyamide
Material Specification
Nylatron gs, fscm 83616 mfr ref single material response or nylatron gsm, fscm 83616 mfr ref single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
003934072
NSN
5310003934072

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
212-010-749-1
Cage Code:
97499
Status:
A
MSDS:
Part Number:
212-010-749-001
Cage Code:
97499
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 3926904500
  • NAICS: 339991
  • SITC: 89399
  • Description: Gaskets,washers & other seals
  • End Use (Code 12770):
    Other industrial supplies

Q & A

Frequently asked questions for NSN 5310-00-393-4072
What are the manufacturers of nsn 5310003934072?
Does this nsn 5310003934072 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003934072
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 5310003934072 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003934072 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003934072?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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