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Recessed Washer NSN 5310-01-040-9908

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 5310-01-040-9908 NSN: 5310-01-040-9908

  Stock Availability

NSN 5310010409908 availability
(as of 11/14/2024).

  • NS: 195
  • NE: 1409
  • AR: 1
  • SV: 1

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 0.884 inches and 0.897 inches
Outside Diameter
1.437 inches
Recess Diameter
Between 1.015 inches and 1.035 inches
Material Thickness
0.078 inches
Recess Angle
90.0 degrees
Material
Steel
Material Specification
Mil-s-6721 type 321 or 347 military specification 1st material response or qq-s-763 class 321 or 347 federal specification 2nd material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
15 recessed
Specification Data
80205-nas1587 professional/industrial association standard
FSC
5310 Nuts And Washers
NIIN
010409908
NSN
5310010409908

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1587-14C
Cage Code:
80205
Status:
A
MSDS:
Part Number:
10122021
Cage Code:
A486G
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 5310-01-040-9908
What are the manufacturers of nsn 5310010409908?
Does this nsn 5310010409908 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010409908
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 5310010409908 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010409908 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010409908?
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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