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Recessed Washer NSN 5310-00-558-9500

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 5310-00-558-9500 NSN: 5310-00-558-9500

Features and Characteristics

Hole Diameter
Between 0.255 inches and 0.260 inches
Outside Diameter
Between 0.440 inches and 0.460 inches
Overall Height
Between 0.085 inches and 0.095 inches
Recess Diameter
Between 0.300 inches and 0.320 inches
Recess Depth
0.045 inches
Material Thickness
0.090 inches
Recess Angle
60.0 degrees
Material
Nickel
Material Specification
Ams 5665 assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
005589500
NSN
5310005589500

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
254518
Cage Code:
77445
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-558-9500
What are the manufacturers of nsn 5310005589500?
Does this nsn 5310005589500 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005589500
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 5310005589500 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005589500 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005589500?
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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