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Recessed Washer NSN 5310-00-855-2043

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 5310-00-855-2043 NSN: 5310-00-855-2043

Features and Characteristics

Hole Diameter
Between 0.257 inches and 0.270 inches
Outside Diameter
Between 0.618 inches and 0.628 inches
Recess Diameter
Between 0.297 inches and 0.310 inches
Material Thickness
Between 0.070 inches and 0.076 inches
Hardness Rating
Between 30.0 rockwell c and 34.0 rockwell c or 24.0 rockwell c and 34.0 rockwell c
Recess Angle
Between 88.0 degrees and 92.0 degrees
Material
Stainless steel
Material Specification
Ams5621 assn standard all material responses or ams5628 assn standard all material responses
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
008552043
NSN
5310008552043

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6864043
Cage Code:
73342
Status:
A
MSDS:
Part Number:
K11704
Cage Code:
K0680
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 5310-00-855-2043
What are the manufacturers of nsn 5310008552043?
Does this nsn 5310008552043 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008552043
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 5310008552043 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008552043 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008552043?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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