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Recessed Washer

NSN 5310-00-020-3205 | NIIN 00-020-3205
NSN 5310-00-020-3205 NSN: 5310-00-020-3205
Description:

0.190" hole diameter, 0.437" outside diameter, cadmium surface treated

Features and Characteristics

Hole Diameter
Between 0.190 inches and 0.193 inches
Outside Diameter
0.437 inches
Overall Height
0.130 inches
Material
Steel comp 4130
Material Specification
MIL-T-6736 military specification single material response or MIL-S-6758 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
QQ-P-416 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
000203205
NSN
5310000203205

Manufacturer Part Numbers

Alternate part numbers that match this National Stock Number
Part Number
Cage
Status
MSDS
Part Number:
25W100-3
Cage Code:
0JRC1
Status:
A
MSDS:
Part Number:
25W100-3
Cage Code:
76823
Status:
A
MSDS:
Part Number:
25WC100-3
Cage Code:
76823
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 5310-00-020-3205
What are the manufacturers of nsn 5310000203205?
Does this nsn 5310000203205 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000203205
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 5310000203205 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000203205 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000203205?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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