PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3780Fixture,aircraft Maintenance

Allison Transmission Inc Dba Allison Transmission, Inc · NSN 4920-00-376-6746 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-376-6746 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-376-6746. Primary manufacturer part number: 3780.
Features
  • Fixture,aircraft Maintenance — FSC 4920
  • Reference Data and Literature: TO2J-T56-24; NAVAIR 02B-5DA-504
  • Functional Description: USED IN SUPPORT OF ACFT MAINTENANCE
  • 3 verified cross-references
  • Primary manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-376-6746, 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 Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 2 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-376-6746
Primary Part Number3780
Item NameFixture,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Reference Data and LiteratureTO2J-T56-24; NAVAIR 02B-5DA-504
Functional DescriptionUSED IN SUPPORT OF ACFT MAINTENANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5815-00-065-48643780 INTERCHANGEABLE
Yoke
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
3110-00-100-311908151AB INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cnh Industrial America Llc Dba Cnh America
6810-00-241-1140 INTERCHANGEABLE
Sodium Nitrite
5915-00-683-70491988174PC1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-00-762-6524 INTERCHANGEABLE
Plate,wall,electrical
4820-00-968-68603780 INTERCHANGEABLE
Cylinder Relief Valve Assembly
Husco International Inc
4510-01-014-0063091-0160 INTERCHANGEABLE
Water Closet
Wallace-Murray Corp Eljer Plumbingware Div Vitreous China Plant
2540-01-151-4013 INTERCHANGEABLE
Mirror Assembly,rearview
4810-01-249-1438 INTERCHANGEABLE
Piston,pneumatic Actuator
Cross-Reference Index
Part NumberManufacturer
3780 General Motors Corp (USA)
3780 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
3780 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5815-00-065-4864INTERCHANGEABLE
YOKE
3780
3110-00-100-3119INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
08151AB
6810-00-241-1140INTERCHANGEABLE
SODIUM NITRITE
5915-00-683-7049INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1988174PC1
5975-00-762-6524INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
4820-00-968-6860INTERCHANGEABLE
CYLINDER RELIEF VALVE ASSEMBLY
3780
4510-01-014-0063INTERCHANGEABLE
WATER CLOSET
091-0160
2540-01-151-4013INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
4810-01-249-1438INTERCHANGEABLE
PISTON,PNEUMATIC ACTUATOR

Frequently Asked Questions

What is NSN 4920-00-376-6746?

NSN 4920-00-376-6746 is a Fixture,aircraft Maintenance, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-376-6746?

NSN 4920-00-376-6746 has 3 cross-referenced part numbers: 3780 (General Motors Corp), 3780 (Allison Transmission Inc Dba Allison Transmission, Inc), 3780 (General Motors Llc Dba General Motors Llc).

What NSN replaces 4920-00-376-6746?

There are 9 known substitutes for 4920-00-376-6746: 5815-00-065-4864, 3110-00-100-3119, 6810-00-241-1140 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3780?

Key specifications for 3780: Reference Data and Literature: TO2J-T56-24; NAVAIR 02B-5DA-504; End Item Identification: T-56 TURBOPROP ENGINE; Special Features: TO NAME:FIXTURE,INSPECION,COMPRESSOR ROTOR; Functional Description: USED IN SUPPORT OF ACFT MAINTENANCE. 4 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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