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Recessed Washer NSN 5310-00-447-2677

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 5310-00-447-2677 NSN: 5310-00-447-2677

Features and Characteristics

Hole Diameter
Between 2.3120 inches and 2.3145 inches
Outside Diameter
Between 3.3095 inches and 3.3120 inches
Material Thickness
Between 0.155 inches and 0.157 inches
Top Recess Diameter
Between 2.374 inches and 3.765 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 2.3740 inches and 2.3765 inches
Material
Copper alloy
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
004472677
NSN
5310004472677

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3659760
Cage Code:
7X677
Status:
A
MSDS:
Part Number:
7411310
Cage Code:
19207
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-447-2677
What are the manufacturers of nsn 5310004472677?
Does this nsn 5310004472677 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004472677
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 5310004472677 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004472677 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004472677?
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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