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Recessed Washer NSN 5310-01-189-8484

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 5310-01-189-8484 NSN: 5310-01-189-8484

  Stock Availability

NSN 5310011898484 availability
(as of 11/01/2023).

  • NE: 9153
  • NS: 1213
  • OH: 1
  • SV: 1
  • AR: 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 0.376 inches and 0.387 inches
Outside Diameter
Between 0.649 inches and 0.669 inches
Recess Diameter
Between 0.489 inches and 0.509 inches
Material Thickness
Between 0.057 inches and 0.069 inches
Min. Tensile Strength (psi)
140000 pounds per square inch
Recess Angle
Between 90.0 degrees and 100.0 degrees
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
15 recessed
Specification Data
81205-bacw10bp manufacturers standard
FSC
5310 Nuts And Washers
NIIN
011898484
NSN
5310011898484

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10BP6ACU
Cage Code:
Z03F0
Status:
A
MSDS:
Part Number:
NTA11551-6ACU
Cage Code:
A0170
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 5310-01-189-8484
What are the manufacturers of nsn 5310011898484?
Does this nsn 5310011898484 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011898484
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 5310011898484 contain any precious metals?
No precious metal content.
Does nsn 5310011898484 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011898484?
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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