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Recessed Washer NSN 5310-00-851-5889

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 5310-00-851-5889 NSN: 5310-00-851-5889

Features and Characteristics

Hole Diameter
Between 0.350 inches and 0.354 inches
Outside Diameter
0.560 inches
Recess Diameter
0.434 inches
Material Thickness
Between 0.095 inches and 0.096 inches
Hardness Rating
Between 34.0 rockwell c and 37.0 rockwell c
Recess Angle
90.0 degrees
Surface Finish
63.0 microinches top
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
008515889
NSN
5310008515889

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
209421
Cage Code:
99193
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 5310-00-851-5889
What are the manufacturers of nsn 5310008515889?
Does this nsn 5310008515889 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008515889
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 5310008515889 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008515889 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008515889?
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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