PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

155206Washer,key

Cone Drive Operations Inc · NSN 5310-01-065-5946 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-065-5946 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-065-5946. Primary manufacturer part number: 155206.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 1.195 INCHES MINIMUM AND 1.213 INCHES MAXIMUM IN
  • Internal Prebent Key Length: 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
  • Outside Diameter: 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
  • External Prebent Key Width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
  • External Key Quantity: 13
  • Material Thickness: 0.050 INCHES NOMINAL IN
  • Style Designator: KEY
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-01-065-5946, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cone Drive Operations Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-065-5946
Primary Part Number155206
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCone Drive Operations Inc
StatusACTIVE
Hole Diameter1.195 INCHES MINIMUM AND 1.213 INCHES MAXIMUM IN
Internal Prebent Key Length0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Outside Diameter1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
External Prebent Key Width0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
External Key Quantity13
Material Thickness0.050 INCHES NOMINAL IN
Style DesignatorKEY
Overall Distance Including Keys1.922 INCHES NOMINAL IN
Internal Prebent Key Width0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-186-0965 INTERCHANGEABLE
Washer,key
5310-00-637-3110 INTERCHANGEABLE
Washer,key
5310-00-638-9783 INTERCHANGEABLE
Washer,flat
5961-00-788-2287W06 INTERCHANGEABLE
Rectifier
General Semiconductor Inc
5310-01-064-7700MCF13373 INTERCHANGEABLE
Washer,lock
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
5310-01-103-8839 INTERCHANGEABLE
Washer,key
5310-01-141-8430W-06 INTERCHANGEABLE
Washer,key
Hamilton Sundstrand Corporation
5310-01-173-3468 INTERCHANGEABLE
Washer,lock
5310-01-309-0001 INTERCHANGEABLE
Washer,key
5310-01-315-6821820-4551454-H01 INTERCHANGEABLE
Washer,key
Northrop Grumman Systems Corporation Div Marine Systems
Cross-Reference Index
Part NumberManufacturer
W-06 Cone Drive Operations Inc (USA)
155206 PRIMARY Cone Drive Operations Inc (USA)
Related Parts
5310-00-186-0965INTERCHANGEABLE
WASHER,KEY
5310-00-637-3110INTERCHANGEABLE
WASHER,KEY
5310-00-638-9783INTERCHANGEABLE
WASHER,FLAT
5961-00-788-2287INTERCHANGEABLE
RECTIFIER
W06
5310-01-064-7700INTERCHANGEABLE
WASHER,LOCK
MCF13373
5310-01-103-8839INTERCHANGEABLE
WASHER,KEY
5310-01-141-8430INTERCHANGEABLE
WASHER,KEY
W-06
5310-01-173-3468INTERCHANGEABLE
WASHER,LOCK
5310-01-309-0001INTERCHANGEABLE
WASHER,KEY
5310-01-315-6821INTERCHANGEABLE
WASHER,KEY
820-4551454-H01
6150-01-345-3859INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
155206

Frequently Asked Questions

What is NSN 5310-01-065-5946?

NSN 5310-01-065-5946 is a Washer,key, manufactured by Cone Drive Operations Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-065-5946?

NSN 5310-01-065-5946 has 2 cross-referenced part numbers: W-06 (Cone Drive Operations Inc), 155206 (Cone Drive Operations Inc).

What NSN replaces 5310-01-065-5946?

There are 11 known substitutes for 5310-01-065-5946: 5310-00-186-0965, 5310-00-637-3110, 5310-00-638-9783 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 155206?

Key specifications for 155206: Hole Diameter: 1.195 INCHES MINIMUM AND 1.213 INCHES MAXIMUM IN; Internal Prebent Key Length: 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Outside Diameter: 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN; External Prebent Key Width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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