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Recessed Washer NSN 5310-00-702-1298

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 5310-00-702-1298 NSN: 5310-00-702-1298

Features and Characteristics

Hole Diameter
Between 0.890 inches and 0.901 inches
Outside Diameter
Between 1.420 inches and 1.440 inches
Recess Diameter
Between 1.020 inches and 1.040 inches
Material Thickness
Between 0.183 inches and 0.197 inches
Recess Angle
Between 88.0 degrees and 92.0 degrees
Material
Steel comp 8630
Material Specification
Mil-s-6050 cond f4 military specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
007021298
NSN
5310007021298

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
00558
Cage Code:
14153
Status:
A
MSDS:
Part Number:
371120-1
Cage Code:
98897
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 5310-00-702-1298
What are the manufacturers of nsn 5310007021298?
Does this nsn 5310007021298 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007021298
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 5310007021298 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310007021298 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007021298?
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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