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Recessed Washer NSN 5310-01-305-3506

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 5310-01-305-3506 NSN: 5310-01-305-3506

Features and Characteristics

Hole Diameter
Between 0.148 inches and 0.152 inches
Outside Diameter
Between 0.350 inches and 0.370 inches
Recess Diameter
Between 0.290 inches and 0.300 inches
Material Thickness
Between 0.063 inches and 0.073 inches
Recess Angle
100.0 degrees
Color
Black
Material
Aluminum alloy 6061
Material Specification
Qq-a-225/8 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type iii, class 2 military specification single treatment response
Style Designator
15 recessed
Fsc Application Data
Data storage cartridge
FSC
5310 Nuts And Washers
NIIN
013053506
NSN
5310013053506

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
628-0260-001
Cage Code:
97896
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-305-3506
What are the manufacturers of nsn 5310013053506?
Does this nsn 5310013053506 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013053506
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 5310013053506 contain any precious metals?
No precious metal content.
Does nsn 5310013053506 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013053506?
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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