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Recessed Washer NSN 5310-01-050-4259

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 5310-01-050-4259 NSN: 5310-01-050-4259

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Features and Characteristics

Hole Diameter
Between 0.315 inches and 0.324 inches
Outside Diameter
0.750 inches
Material Thickness
Between 0.195 inches and 0.200 inches
Top Recess Diameter
Between 0.435 inches and 0.444 inches
Bottom Recess Angle
100.0 degrees
Top Recess Angle
100.0 degrees
Bottom Recess Diameter
Between 0.435 inches and 0.444 inches
Material
Steel comp 303se
Material Specification
Astm a582 assn standard single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
010504259
NSN
5310010504259

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MDE32248-97
Cage Code:
76301
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 5310-01-050-4259
What are the manufacturers of nsn 5310010504259?
Does this nsn 5310010504259 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010504259
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 5310010504259 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010504259 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010504259?
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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