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Recessed Washer NSN 5310-00-438-5149

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 5310-00-438-5149 NSN: 5310-00-438-5149

  Stock Availability

NSN 5310004385149 availability
(as of 01/23/2024).

  • NE: 8
  • NS: 4

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Hole Diameter
Between 2.781 inches and 2.844 inches
Outside Diameter
Between 3.475 inches and 3.485 inches
Overall Height
0.365 inches
Recess Depth
Between 0.250 inches and 0.255 inches
Material Thickness
0.015 inches
Material
Steel comp 1008
Material Specification
Qq-s-631 federal specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
004385149
NSN
5310004385149

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2584355
Cage Code:
80064
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 5310-00-438-5149
What are the manufacturers of nsn 5310004385149?
Does this nsn 5310004385149 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004385149
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 5310004385149 contain any precious metals?
No precious metal content.
Does nsn 5310004385149 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004385149?
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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