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Recessed Washer NSN 5310-00-304-7661

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 5310-00-304-7661 NSN: 5310-00-304-7661

Features and Characteristics

Hole Diameter
1.400 inches
Outside Diameter
Between 2.200 inches and 2.250 inches
Material Thickness
0.250 inches
Top Recess Diameter
1.530 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
1.530 inches
Material
Aluminum alloy 7075
Material Specification
Qq-a-225/9, alloy 7075 federal specification single material response
Surface Treatment
Anodize
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
003047661
NSN
5310003047661

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1284558-101
Cage Code:
98897
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 5310-00-304-7661
What are the manufacturers of nsn 5310003047661?
Does this nsn 5310003047661 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003047661
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 5310003047661 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003047661 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003047661?
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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