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Recessed Washer NSN 5310-01-127-4443

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 5310-01-127-4443 NSN: 5310-01-127-4443

Features and Characteristics

Hole Diameter
1.193 inches
Outside Diameter
1.555 inches
Special Features
Two lugs eq. Spaced on o.D.
Material
Steel comp 304
Surface Treatment
Silver
Surface Treatment Specification
Qq-s-365a grade 8 .0005-.0010 thick over nickel undercoat federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
011274443
NSN
5310011274443

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
22406
Cage Code:
24235
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 5310-01-127-4443
What are the manufacturers of nsn 5310011274443?
Does this nsn 5310011274443 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011274443
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 5310011274443 contain any precious metals?
Item contains silver.
Does nsn 5310011274443 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011274443?
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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