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Recessed Washer NSN 5310-00-209-1372

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 5310-00-209-1372 NSN: 5310-00-209-1372

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Features and Characteristics

Hole Diameter
Between 0.375 inches and 0.385 inches
Outside Diameter
Between 0.512 inches and 0.532 inches
Recess Diameter
Between 0.460 inches and 0.480 inches
Material Thickness
Between 0.080 inches and 0.100 inches
Recess Angle
90.0 degrees
Material
Steel comp 1212
Material Specification
Ams 5010 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002091372
NSN
5310002091372

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A25574
Cage Code:
55176
Status:
A
MSDS:
Part Number:
25574
Cage Code:
55176
Status:
A
MSDS:
Part Number:
5310H21-013
Cage Code:
81996
Status:
A
MSDS:
Part Number:
E4185
Cage Code:
08484
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 5310-00-209-1372
What are the manufacturers of nsn 5310002091372?
Does this nsn 5310002091372 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002091372
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 5310002091372 contain any precious metals?
No precious metal content.
Does nsn 5310002091372 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002091372?
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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