PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52263Washer,key

Honeywell International Inc. Div Aerospace - Torrance · NSN 5310-00-754-1729 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-754-1729 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-754-1729. Primary manufacturer part number: 52263.
Features
  • Washer,key — FSC 5310
  • External Key Quantity: 1
  • Outside Diameter: 1.240 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Overall Distance Including Keys: 1.456 INCHES NOMINAL IN
  • External Straight Key Width: 0.187 INCHES MAXIMUM IN
  • Internal Prebent Key Width: 0.187 INCHES NOMINAL IN
  • Style Designator: KEY
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-754-1729, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-754-1729
Primary Part Number52263
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusCANCELLED
External Key Quantity1
Outside Diameter1.240 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Overall Distance Including Keys1.456 INCHES NOMINAL IN
External Straight Key Width0.187 INCHES MAXIMUM IN
Internal Prebent Key Width0.187 INCHES NOMINAL IN
Style DesignatorKEY
Internal Prebent Key Length0.101 INCHES NOMINAL IN
Hole Diameter1.003 INCHES NOMINAL IN
Material Thickness0.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5940-00-143-5284MS25036-115 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5340-00-836-384352263 INTERCHANGEABLE
Clamp,loop
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5330-01-060-911652263 INTERCHANGEABLE
Gasket
L3 Technologies, Inc. Div L3 Keo
5995-01-377-3397510-374-81 INTERCHANGEABLE
Cable Assembly,radio Frequency
Amphenol Cable and Interconnect Technologies, Inc.
5905-01-465-31119325C08-1429-01 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
The Entwistle Company Llc
Cross-Reference Index
Part NumberManufacturer
52263 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
52263 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
52263 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
5940-00-143-5284INTERCHANGEABLE
TERMINAL,LUG
MS25036-115
5340-00-836-3843INTERCHANGEABLE
CLAMP,LOOP
52263
5330-01-060-9116INTERCHANGEABLE
GASKET
52263
5995-01-377-3397INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
510-374-81
5905-01-465-3111INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
9325C08-1429-01

Frequently Asked Questions

What is NSN 5310-00-754-1729?

NSN 5310-00-754-1729 is a Washer,key, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-754-1729?

NSN 5310-00-754-1729 has 3 cross-referenced part numbers: 52263 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 52263 (Honeywell International Inc. Div Aerospace - Torrance), 52263 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 5310-00-754-1729?

There are 5 known substitutes for 5310-00-754-1729: 5940-00-143-5284, 5340-00-836-3843, 5330-01-060-9116 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52263?

Key specifications for 52263: External Key Quantity: 1; Outside Diameter: 1.240 INCHES NOMINAL IN; Material: STEEL OVERALL; Overall Distance Including Keys: 1.456 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-754-1729 still in active supply?

NSN 5310-00-754-1729 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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