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Recessed Washer NSN 5310-00-020-2428

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 5310-00-020-2428 NSN: 5310-00-020-2428

Features and Characteristics

Hole Diameter
Between 0.440 inches and 0.445 inches
Outside Diameter
Between 1.186 inches and 1.210 inches
Overall Height
Between 0.230 inches and 0.250 inches
Recess Depth
Between 0.181 inches and 0.212 inches
Material Thickness
Between 0.038 inches and 0.041 inches
Material
Steel comp 321
Material Specification
Ams 5510 assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
000202428
NSN
5310000202428

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
570366
Cage Code:
77445
Status:
A
MSDS:
Part Number:
MIL-STD-130
Cage Code:
81349
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 5310-00-020-2428
What are the manufacturers of nsn 5310000202428?
Does this nsn 5310000202428 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000202428
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 5310000202428 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000202428 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000202428?
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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