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Recessed Washer NSN 5310-01-168-1796

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 5310-01-168-1796 NSN: 5310-01-168-1796

Features and Characteristics

Hole Diameter
Between 0.624 inches and 0.633 inches
Radius
0.060 inches
Outside Diameter
1.125 inches
Overall Height
0.500 inches
Recess Diameter
Between 0.764 inches and 0.775 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t851 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Ps13201, type 2, class 1 fscm 76301 mfr ref single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
011681796
NSN
5310011681796

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68A332155-2001
Cage Code:
76301
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 5310-01-168-1796
What are the manufacturers of nsn 5310011681796?
Does this nsn 5310011681796 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011681796
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 5310011681796 contain any precious metals?
No precious metal content.
Does nsn 5310011681796 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011681796?
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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