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Recessed Washer NSN 5310-00-406-0452

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 5310-00-406-0452 NSN: 5310-00-406-0452

Features and Characteristics

Hole Diameter
Between 2.630 inches and 2.640 inches
Outside Diameter
Between 3.360 inches and 3.390 inches
Material Thickness
0.180 inches
Top Recess Diameter
2.654 inches
Bottom Recess Angle
45.0 degrees
Top Recess Angle
45.0 degrees
Bottom Recess Diameter
2.654 inches
Material
Steel
Material Specification
Ams 6370 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Cp-0480 fscm 06848 mfr ref single treatment response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
004060452
NSN
5310004060452

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2578687-001A
Cage Code:
17576
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 5310-00-406-0452
What are the manufacturers of nsn 5310004060452?
Does this nsn 5310004060452 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004060452
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 5310004060452 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004060452 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004060452?
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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  •   Quality Inspected Parts
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