PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2989Fixture,aircraft Maintenance

Allison Transmission Inc Dba Allison Transmission, Inc · NSN 4920-00-218-1256 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-218-1256 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-218-1256. Primary manufacturer part number: 2989.
Features
  • Fixture,aircraft Maintenance — FSC 4920
  • Functional Description: USED DURING COMPONENT MAINTENANCE/REPAIR
  • 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 4920-00-218-1256, 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 1 verified specification, 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: Active.

Technical Specifications
ParameterValue
NSN4920-00-218-1256
Primary Part Number2989
Item NameFixture,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Functional DescriptionUSED DURING COMPONENT MAINTENANCE/REPAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2530-00-028-3314F13621 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6250-00-048-6374502X63 INTERCHANGEABLE
Lampholder
General Electric Company
5985-00-351-34952989 INTERCHANGEABLE
Attenuator,variable
Meggitt (new Hampshire), Inc
3130-01-141-6233 INTERCHANGEABLE
Housing,bearing Unit
3040-01-294-44499240-032-89 INTERCHANGEABLE
Bracket,eye,rotating Shaft
Naval Sea Systems Command Logistics Support Engineering Activity
Cross-Reference Index
Part NumberManufacturer
2989 General Motors Corp (USA)
2989 General Motors Llc Dba General Motors Llc (USA)
2989 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Related Parts
2530-00-028-3314INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F13621
6250-00-048-6374INTERCHANGEABLE
LAMPHOLDER
502X63
5985-00-351-3495INTERCHANGEABLE
ATTENUATOR,VARIABLE
2989
3130-01-141-6233INTERCHANGEABLE
HOUSING,BEARING UNIT
3040-01-294-4449INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
9240-032-89

Frequently Asked Questions

What is NSN 4920-00-218-1256?

NSN 4920-00-218-1256 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 4920-00-218-1256?

NSN 4920-00-218-1256 has 3 cross-referenced part numbers: 2989 (General Motors Corp), 2989 (General Motors Llc Dba General Motors Llc), 2989 (Allison Transmission Inc Dba Allison Transmission, Inc).

What NSN replaces 4920-00-218-1256?

There are 5 known substitutes for 4920-00-218-1256: 2530-00-028-3314, 6250-00-048-6374, 5985-00-351-3495 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2989?

Key specifications for 2989: Functional Description: USED DURING COMPONENT MAINTENANCE/REPAIR. 1 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