PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST81Gage,plug,plain Cylindrical

Textron Lycoming Inc Williamsport Plant · NSN 5220-00-072-4458 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-00-072-4458 — this item is cataloged by the U.S. Government under National Stock Number 5220-00-072-4458. Primary manufacturer part number: ST81.
Features
  • Gage,plug,plain Cylindrical — FSC 5220
  • 2 verified cross-references
  • Primary manufacturer: Textron Lycoming Inc Williamsport Plant
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,plug,plain Cylindrical, cataloged under National Stock Number 5220-00-072-4458, is classified within Federal Supply Class 5220 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameGage,plug,plain Cylindrical
FSC / FSG5220 — No Item Name Available (FSG 52)
ManufacturersTextron Lycoming Inc Williamsport Plant (CAGE 80254)
Technical Specifications
ParameterValue
NSN5220-00-072-4458
Primary Part NumberST81
Item NameGage,plug,plain Cylindrical
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5945-00-890-243224021 INTERCHANGEABLE
Relay,electromagnetic
Ford Motor Co of Canada Ltd
6685-01-660-0635ST81 INTERCHANGEABLE
Thermometer,self-Indicating,digi
Raytek Inc
Cross-Reference Index
Part NumberManufacturer
ST81 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
64926 Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
5945-00-890-2432INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
24021
6685-01-660-0635INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,DIGI
ST81

Frequently Asked Questions

What is NSN 5220-00-072-4458?

NSN 5220-00-072-4458 is a Gage,plug,plain Cylindrical, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5220-00-072-4458?

NSN 5220-00-072-4458 has 2 cross-referenced part numbers: ST81 (Textron Lycoming Inc Williamsport Plant), 64926 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5220-00-072-4458?

There are 2 known substitutes for 5220-00-072-4458: 5945-00-890-2432, 6685-01-660-0635. Verify interchangeability with system specifications before substitution.

Is NSN 5220-00-072-4458 still in active supply?

NSN 5220-00-072-4458 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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