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Recessed Washer NSN 5310-01-270-8859

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 5310-01-270-8859 NSN: 5310-01-270-8859

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Features and Characteristics

Hole Diameter
Between 0.119 inches and 0.125 inches
Outside Diameter
Between 0.240 inches and 0.260 inches
Recess Diameter
Between 0.152 inches and 0.192 inches
Material Thickness
Between 0.040 inches and 0.046 inches
Recess Angle
Between 95.0 degrees and 105.0 degrees
Material
Aluminum alloy 6061
Material Specification
Qq-a-225/8, t6 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541, cl 3 military specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
012708859
NSN
5310012708859

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
898891-1
Cage Code:
96214
Status:
A
MSDS:
Part Number:
704AS8891-1
Cage Code:
30003
Status:
A
MSDS:
Part Number:
704AS8891
Cage Code:
30003
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 5310-01-270-8859
What are the manufacturers of nsn 5310012708859?
Does this nsn 5310012708859 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012708859
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 5310012708859 contain any precious metals?
No precious metal content.
Does nsn 5310012708859 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012708859?
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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