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Recessed Washer NSN 5310-00-893-1697

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 5310-00-893-1697 NSN: 5310-00-893-1697

Features and Characteristics

Hole Diameter
Between 0.490 inches and 0.510 inches
Outside Diameter
Between 1.030 inches and 1.031 inches
Overall Height
Between 0.300 inches and 0.320 inches
Recess Depth
Between 0.250 inches and 0.290 inches
Material Thickness
Between 0.030 inches and 0.050 inches
Surface Finish
63.0 microinches all surfaces
Special Features
Hole 0.362 in. Min, 0.382 in. Max from center of id to center of hole, 0.151 in. Min, 0.171 in. Max hole dia
Material
Aluminum alloy
Material Specification
Qq-a-200/6 federal specification single material response
Surface Treatment
Anodize
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
008931697
NSN
5310008931697

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
204-001-248-1
Cage Code:
97499
Status:
A
MSDS:
Part Number:
204-001-248-001
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: 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 5310-00-893-1697
What are the manufacturers of nsn 5310008931697?
Does this nsn 5310008931697 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008931697
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 5310008931697 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008931697 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008931697?
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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