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Recessed Washer NSN 5310-00-285-9058

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 5310-00-285-9058 NSN: 5310-00-285-9058

Features and Characteristics

Hole Diameter
Between 1.010 inches and 1.025 inches
Outside Diameter
1.625 inches
Recess Diameter
Between 1.140 inches and 1.160 inches
Material Thickness
0.078 inches
Recess Angle
90.0 degrees
Surface Finish
63.0 microinches top
Material
Steel comp 321 or steel comp 347
Material Specification
Mil-s-6721 military specification all material responses or qq-s-763 federal specification all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Recessed
Specification Data
80205-nas1587 professional/industrial association standard
FSC
5310 Nuts And Washers
NIIN
002859058
NSN
5310002859058

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1587-16C
Cage Code:
80205
Status:
A
MSDS:
Part Number:
10121279
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 5310-00-285-9058
What are the manufacturers of nsn 5310002859058?
Does this nsn 5310002859058 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002859058
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 5310002859058 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002859058 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002859058?
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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