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Recessed Washer NSN 5310-01-246-3886

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 5310-01-246-3886 NSN: 5310-01-246-3886

Features and Characteristics

Hole Diameter
Between 3.190 inches and 3.200 inches
Outside Diameter
Between 3.4600 inches and 3.4605 inches
Overall Height
Between 0.515 inches and 0.525 inches
Recess Depth
Between 0.400 inches and 0.420 inches
Material Thickness
Between 0.105 inches and 0.115 inches
Hardness Rating
Between 28.0 rockwell c and 34.0 rockwell c
Special Features
Recess diameter 3.240 in. Min 3.260 in. Max
Material
Steel comp 4130 or steel comp 4340
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
012463886
NSN
5310012463886

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S9401-1B55
Cage Code:
99193
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-246-3886
What are the manufacturers of nsn 5310012463886?
Does this nsn 5310012463886 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012463886
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 5310012463886 contain any precious metals?
No precious metal content.
Does nsn 5310012463886 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012463886?
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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