PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3G2056Shaft,straight

Caterpillar Inc Div Caterpillar Defense · NSN 3040-01-184-4321 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-184-4321 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-184-4321. Primary manufacturer part number: 3G2056.
Features
  • Shaft,straight — FSC 3040
  • 2 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 Shaft,straight, cataloged under National Stock Number 3040-01-184-4321, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft,straight
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersJohnston Mfg Co (CAGE 32337); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN3040-01-184-4321
Primary Part Number3G2056
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5998-01-240-107613-05E9-00 INTERCHANGEABLE
Circuit Card Assembly
Flight Systems, Inc.
5985-01-262-5897292-30 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
5985-01-264-89701065585-5 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Div Corp
5360-01-439-299429-230 INTERCHANGEABLE
Spring,helical,compression
Hose-Mccann Telephone Co, Inc
6515-01-466-5255292.30 INTERCHANGEABLE
Wire,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6150-01-649-548529230 INTERCHANGEABLE
Wiring Harness
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
29230 Johnston Mfg Co (USA)
3G2056 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5998-01-240-1076INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
13-05E9-00
5985-01-262-5897INTERCHANGEABLE
ATTENUATOR,FIXED
292-30
5985-01-264-8970INTERCHANGEABLE
ATTENUATOR,FIXED
1065585-5
5360-01-439-2994INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
29-230
6515-01-466-5255INTERCHANGEABLE
WIRE,BONE
292.30
6150-01-649-5485INTERCHANGEABLE
WIRING HARNESS
29230

Frequently Asked Questions

What is NSN 3040-01-184-4321?

NSN 3040-01-184-4321 is a Shaft,straight, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-184-4321?

NSN 3040-01-184-4321 has 2 cross-referenced part numbers: 29230 (Johnston Mfg Co), 3G2056 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3040-01-184-4321?

There are 6 known substitutes for 3040-01-184-4321: 5998-01-240-1076, 5985-01-262-5897, 5985-01-264-8970 and 3 more. Verify interchangeability with system specifications before substitution.

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