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Recessed Washer NSN 5310-00-807-4289

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 5310-00-807-4289 NSN: 5310-00-807-4289

Features and Characteristics

Hole Diameter
Between 0.396 inches and 0.416 inches
Outside Diameter
Between 1.719 inches and 1.781 inches
Overall Height
Between 0.344 inches and 0.406 inches
Recess Depth
Between 0.281 inches and 0.343 inches
Material Thickness
Between 0.109 inches and 0.141 inches
Material
Steel
Material Specification
Astm a400-69 assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-p-16232, ty z, cl 1 or cl 3 military specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
008074289
NSN
5310008074289

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9092606
Cage Code:
18876
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 5310-00-807-4289
What are the manufacturers of nsn 5310008074289?
Does this nsn 5310008074289 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008074289
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 5310008074289 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008074289 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008074289?
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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