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Recessed Washer NSN 5310-00-971-1759

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 5310-00-971-1759 NSN: 5310-00-971-1759

Features and Characteristics

Hole Diameter
Between 0.219 inches and 0.222 inches
Outside Diameter
Between 0.484 inches and 0.516 inches
Recess Diameter
Between 0.245 inches and 0.255 inches
Material Thickness
Between 0.050 inches and 0.058 inches
Recess Angle
Between 46.0 degrees and 54.0 degrees
Material
Steel comp 1020
Material Specification
Astm a108 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 1 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
009711759
NSN
5310009711759

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
44A28349
Cage Code:
98752
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 5310-00-971-1759
What are the manufacturers of nsn 5310009711759?
Does this nsn 5310009711759 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009711759
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 5310009711759 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009711759 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009711759?
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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