PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7402091Hub Engine

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2990-00-740-2091 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-740-2091 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-740-2091. Primary manufacturer part number: 7402091.
Features
  • Hub Engine — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Hub Engine, cataloged under National Stock Number 2990-00-740-2091, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHub Engine
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersU S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); General Motors Llc Dba General Motors Llc (CAGE 7X677); General Motors Corp (CAGE 24617)
Technical Specifications
ParameterValue
NSN2990-00-740-2091
Primary Part Number7402091
Item NameHub Engine
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6510-00-122-9371 INTERCHANGEABLE
Pad,petrolatum and Bismuth Tribr
3655-00-400-23404431-3 INTERCHANGEABLE
Adapter Assembly,tank
Randall Mfg. Co., Inc.
3110-00-554-5417113KSQ6A7 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5962-00-595-8504 INTERCHANGEABLE
Microcircuit,digital
6730-01-200-8016 INTERCHANGEABLE
Arm Disk,reel
5360-01-339-0679740209-1 INTERCHANGEABLE
Spring,helical,compression
Hamilton Sundstrand Corporation Dba Collins Aerospace
6625-01-563-7916DST-531 INTERCHANGEABLE
Thermocouple,aircra
Duniway Stockroom Corporation Dba Duniway Stockroom Corp
5331-01-633-530044313 INTERCHANGEABLE
O-Ring
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
7402091 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4-4313 General Motors Llc Dba General Motors Llc (USA)
4-4313 General Motors Corp (USA)
Related Parts
6510-00-122-9371INTERCHANGEABLE
PAD,PETROLATUM AND BISMUTH TRIBR
3655-00-400-2340INTERCHANGEABLE
ADAPTER ASSEMBLY,TANK
4431-3
3110-00-554-5417INTERCHANGEABLE
BEARING,BALL,ANNULAR
113KSQ6A7
5962-00-595-8504INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6730-01-200-8016INTERCHANGEABLE
ARM DISK,REEL
5360-01-339-0679INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
740209-1
6625-01-563-7916INTERCHANGEABLE
THERMOCOUPLE,AIRCRA
DST-531
5331-01-633-5300INTERCHANGEABLE
O-RING
44313

Frequently Asked Questions

What is NSN 2990-00-740-2091?

NSN 2990-00-740-2091 is a Hub Engine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-740-2091?

NSN 2990-00-740-2091 has 3 cross-referenced part numbers: 7402091 (U S Army Tank Automotive Command Amsta-Im-Mm), 4-4313 (General Motors Llc Dba General Motors Llc), 4-4313 (General Motors Corp).

What NSN replaces 2990-00-740-2091?

There are 8 known substitutes for 2990-00-740-2091: 6510-00-122-9371, 3655-00-400-2340, 3110-00-554-5417 and 5 more. Verify interchangeability with system specifications before substitution.

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