PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

296502-1Test Plug,aircraft Component

Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix · NSN 4920-01-127-4643 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-127-4643 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-127-4643. Primary manufacturer part number: 296502-1.
Features
  • Test Plug,aircraft Component — FSC 4920
  • General Characteristics Item Description: PLUG IS FLANGED TO BOLT INTO PUMP HOUSING AND HAS "O" RING SEALS TO PLUG VALVE CAVITY
  • Functional Description: USED DURING MAINTENANCE/OVERHAUL OF AUXILIARY POWER UNIT MODEL NO. GTCP 36-50 TO REPLACE DELTA P VALVE DURING PUMP BREAK-IN AND PUMP CAPACITY TESTING
  • 1 verified cross-reference
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Plug,aircraft Component, cataloged under National Stock Number 4920-01-127-4643, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-127-4643
Primary Part Number296502-1
Item NameTest Plug,aircraft Component
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
StatusACTIVE
General Characteristics Item DescriptionPLUG IS FLANGED TO BOLT INTO PUMP HOUSING AND HAS "O" RING SEALS TO PLUG VALVE CAVITY
Functional DescriptionUSED DURING MAINTENANCE/OVERHAUL OF AUXILIARY POWER UNIT MODEL NO. GTCP 36-50 TO REPLACE DELTA P VALVE DURING PUMP BREAK-IN AND PUMP CAPACITY TESTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-01-448-707044630 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Tyco Fire Products Lp
4720-01-449-592742425 INTERCHANGEABLE
Hose,nonmetallic
Tyco Fire Products Lp
4820-01-451-792352431 INTERCHANGEABLE
Valve,stop-Check
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
296502-1 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
4730-01-448-7070INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
44630
4720-01-449-5927INTERCHANGEABLE
HOSE,NONMETALLIC
42425
4820-01-451-7923INTERCHANGEABLE
VALVE,STOP-CHECK
52431

Frequently Asked Questions

What is NSN 4920-01-127-4643?

NSN 4920-01-127-4643 is a Test Plug,aircraft Component, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-127-4643?

NSN 4920-01-127-4643 has 1 cross-referenced part number: 296502-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 4920-01-127-4643?

There are 3 known substitutes for 4920-01-127-4643: 4730-01-448-7070, 4720-01-449-5927, 4820-01-451-7923. Verify interchangeability with system specifications before substitution.

What are the specifications of 296502-1?

Key specifications for 296502-1: Overall Width: 2.000 INCHES NOMINAL IN; Overall Length: 3.180 INCHES NOMINAL IN; Overall Height: 0.870 INCHES NOMINAL IN; General Characteristics Item Description: PLUG IS FLANGED TO BOLT INTO PUMP HOUSING AND HAS "O" RING SEALS TO PLUG VALVE CAVITY. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com