PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7H3838Armature,generator

Caterpillar Inc Div Caterpillar Defense · NSN 2920-00-504-1611 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-504-1611 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-504-1611. Primary manufacturer part number: 7H3838.
Features
  • Armature,generator — FSC 2920
  • Features Provided: SHAFT
  • Construction: SLOT WOUND
  • Overall Diameter: 3.9380 INCHES NOMINAL IN
  • 9 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Armature,generator, cataloged under National Stock Number 2920-00-504-1611, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-504-1611
Primary Part Number7H3838
Item NameArmature,generator
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Features ProvidedSHAFT
ConstructionSLOT WOUND
Overall Diameter3.9380 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3020-00-058-00361770891 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5120-00-240-529213807 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
Cross-Reference Index
Part NumberManufacturer
UDR1922716 Garwood/feller Inc Garwood Winch Div (USA)
7H3838 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
1922716 General Motors Corp (USA)
1922716 Rolls-Royce Solutions America Inc (USA)
1922716 General Motors Corp AC-Delco Div Government Order Dept (USA)
1922716 General Motors Corp Delco Remy Div (USA)
41754 Morris Material Handling, Inc. (USA)
1922716 Borgwarner Pds (anderson), L.l.c. (USA)
1922716 Harsco Corp Bmy-Combat Systems Div (USA)
Related Parts
3020-00-058-0036INTERCHANGEABLE
GEAR,SPUR
1770891
5120-00-240-5292INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
13807

Frequently Asked Questions

What is NSN 2920-00-504-1611?

NSN 2920-00-504-1611 is a Armature,generator, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-504-1611?

NSN 2920-00-504-1611 has 9 cross-referenced part numbers: UDR1922716 (Garwood/feller Inc Garwood Winch Div), 7H3838 (Caterpillar Inc Div Caterpillar Defense), 1922716 (General Motors Corp), 1922716 (Rolls-Royce Solutions America Inc), 1922716 (General Motors Corp AC-Delco Div Government Order Dept) and 4 more.

What NSN replaces 2920-00-504-1611?

There are 2 known substitutes for 2920-00-504-1611: 3020-00-058-0036, 5120-00-240-5292. Verify interchangeability with system specifications before substitution.

What are the specifications of 7H3838?

Key specifications for 7H3838: Features Provided: SHAFT; Construction: SLOT WOUND; Overall Diameter: 3.9380 INCHES NOMINAL IN; Overall Length: 12.5620 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-504-1611 still in active supply?

NSN 2920-00-504-1611 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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