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Recessed Washer NSN 5310-01-174-0561

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 5310-01-174-0561 NSN: 5310-01-174-0561

Features and Characteristics

Hole Diameter
Between 0.500 inches and 0.502 inches
Outside Diameter
Between 1.245 inches and 1.255 inches
Recess Diameter
Between 0.615 inches and 0.625 inches
Material Thickness
Between 0.126 inches and 0.131 inches
Recess Angle
90.0 degrees
Surface Finish
90.0 microinches all surfaces
Material
Steel comp 630
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
S38435, fscm 78286 mfr ref single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
011740561
NSN
5310011740561

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
65396-00019-102
Cage Code:
78286
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 5310-01-174-0561
What are the manufacturers of nsn 5310011740561?
Does this nsn 5310011740561 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011740561
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 5310011740561 contain any precious metals?
No precious metal content.
Does nsn 5310011740561 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011740561?
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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