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Recessed Washer NSN 5310-00-518-7170

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 5310-00-518-7170 NSN: 5310-00-518-7170

Features and Characteristics

Hole Diameter
Between 0.500 inches and 0.531 inches
Outside Diameter
Between 1.094 inches and 1.125 inches
Overall Height
Between 0.120 inches and 0.130 inches
Recess Diameter
Between 0.573 inches and 0.583 inches
Material Thickness
Between 0.120 inches and 0.130 inches
Recess Angle
90.0 degrees
Special Features
Od chamfered 0.016 in. By 45 deg
Heat Treatment
Annealed
Material
Copper alloy
Material Specification
Qq-c-576 federal specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
005187170
NSN
5310005187170

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P1372
Cage Code:
22888
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-518-7170
What are the manufacturers of nsn 5310005187170?
Does this nsn 5310005187170 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005187170
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 5310005187170 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005187170 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005187170?
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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