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Recessed Washer NSN 5310-00-402-2789

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 5310-00-402-2789 NSN: 5310-00-402-2789

Features and Characteristics

Hole Diameter
0.268 inches
Outside Diameter
0.695 inches
Overall Height
0.229 inches
Recess Depth
0.199 inches
Material Thickness
0.030 inches
Material
Steel
Surface Treatment
Cadmium
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
004022789
NSN
5310004022789

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
161A7306
Cage Code:
02989
Status:
A
MSDS:
Part Number:
897953
Cage Code:
77237
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 5310-00-402-2789
What are the manufacturers of nsn 5310004022789?
Does this nsn 5310004022789 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004022789
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 5310004022789 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004022789 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004022789?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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