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Recessed Washer NSN 5310-01-530-3342

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 5310-01-530-3342 NSN: 5310-01-530-3342

Features and Characteristics

Hole Diameter
Between 0.312 inches and 0.322 inches
Outside Diameter
Between 0.552 inches and 0.572 inches
Material Thickness
Between 0.120 inches and 0.130 inches
Material
Iron alloy 660
Material Specification
Ams5525 assn standard single material response or ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response or ams5881 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
015303342
NSN
5310015303342

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
140-007-20R20B3
Cage Code:
97499
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 5310-01-530-3342
What are the manufacturers of nsn 5310015303342?
Does this nsn 5310015303342 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015303342
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 5310015303342 contain any precious metals?
No precious metal content.
Does nsn 5310015303342 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015303342?
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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