Home » FSC Catalog » Nuts And Washers » 5310-01-633-0142

Flat Washer

SKU: 5310016330142 | Model: NAS9923E24
NSN 5310-01-633-0142 NSN 5310-01-633-0142

Specifications from the Manufacturer

Cross-sectional Shape Style:
Hole Diameter:
1.50 inches nominal
Peripheral Shape Style:
Center Hole Shape Style:
0.109 inches nominal
Overall Diameter:
2.50 inches nominal
Part Name Assigned By Controlling Agency:
Washer, countersunk, high strength
Special Features:
Heat treatment per ams5853, 160-190 ksi ftu precipitation hardened, countersunk 45 degrees
Steel overall
Material Document And Classification:
Cres a286 (uns66286) mfr ref single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Document And Classification:
Passivate per ams2700, method 1, class 4 mfr ref single treatment response overall

Pricing and Availability

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NSN 5310-01-633-0142 Datasheet

Supply Class:


Cross Reference:

  • NAS9923E24

Cage Codes:

  • National Aerospace Standards (CAGE 80205)

Replaced or Cancelled:

5310-01-633-0142 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 016330142
NSN: 5310016330142
DEMIL Code Meaning:

Reference Drawing:

[drawing of 5310-01-633-0142]

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5310-01-633-0142 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 5310-01-633-0142 defined?
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.
What is the NIIN of NSN 5310-01-633-0142?
016330142 or 01-633-0142
Does this item require Demilitarization?
Is NSN 5310016330142 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5310016330142?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
, 20