PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

005974Shaft,straight

Caterpillar Inc Div Caterpillar Defense · NSN 3040-00-371-5003 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-371-5003 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-371-5003. Primary manufacturer part number: 005974.
Features
  • Shaft,straight — FSC 3040
  • First End Groove Diameter: 0.4375 INCHES NOMINAL IN
  • First End Groove Width: 0.0620 INCHES NOMINAL IN
  • End Similarity: NOT IDENTICAL
  • Second End Tongue Width: 0.500 INCHES NOMINAL IN
  • First End Distance From Keyway Center to End: 0.250 INCHES NOMINAL IN
  • Material: STEEL
  • First End Keyway Width: 0.1250 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,straight, cataloged under National Stock Number 3040-00-371-5003, 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. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-371-5003
Primary Part Number005974
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
First End Groove Diameter0.4375 INCHES NOMINAL IN
First End Groove Width0.0620 INCHES NOMINAL IN
End SimilarityNOT IDENTICAL
Second End Tongue Width0.500 INCHES NOMINAL IN
First End Distance From Keyway Center to End0.250 INCHES NOMINAL IN
MaterialSTEEL
First End Keyway Width0.1250 INCHES NOMINAL IN
First End Distance From End to Groove0.062 INCHES NOMINAL IN
External Keyway Length0.437 INCHES NOMINAL FIRST END IN
Second End Tongue Thickness0.156 INCHES NOMINAL IN
Second End Step Length0.312 INCHES NOMINAL IN
First End StyleWOODRUFF KEYWAY AND CIRCULAR GROOVED
Second End StyleTONGUE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2540-00-140-3867SA1720 INTERCHANGEABLE
Seat,vehicular
Sears Mfg Co
7320-00-390-15215974 INTERCHANGEABLE
Plate,shredder
Middleby Marshall Inc Conveyor Ovens and Mixers Div
4820-00-595-44185974 INTERCHANGEABLE
Disk,valve
Lawler Manufacturing Company, Inc.
9540-00-720-3884 INTERCHANGEABLE
Angle,structural
6240-00-944-1266 INTERCHANGEABLE
Lamp,incandescent
5330-01-035-09475974 INTERCHANGEABLE
Gasket
Megator Corp
4820-01-112-229425606 INTERCHANGEABLE
Valve,check
Forenta Lp
4820-01-236-6033 INTERCHANGEABLE
Stem,fluid Valve
5961-01-257-3586 INTERCHANGEABLE
Transistor
4710-01-387-80755974-G501 INTERCHANGEABLE
Pipe,bent,metallic
Howell Laboratories Inc Dba Howell Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
4908510-3 Kalmar AC Inc (USA)
5620E9116 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
007851138 Tvh Parts Co. (USA)
851138 Dana Off Highway Products, Llc (USA)
851138 Clark Equipment Co (USA)
851138 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
5974 Mitsubishi Caterpillar Forklift America, Inc (USA)
CTF218L204 Taylor-Dunn Corporation Dba Metro Crown International (USA)
007851138 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
F218L-204 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
F218L00204 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
25606 Colson Corp the (USA)
005974 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
F218L00204 Renk America Llc Div Renk America (USA)
09-5974 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
Related Parts
2540-00-140-3867INTERCHANGEABLE
SEAT,VEHICULAR
SA1720
7320-00-390-1521INTERCHANGEABLE
PLATE,SHREDDER
5974
4820-00-595-4418INTERCHANGEABLE
DISK,VALVE
5974
9540-00-720-3884INTERCHANGEABLE
ANGLE,STRUCTURAL
6240-00-944-1266INTERCHANGEABLE
LAMP,INCANDESCENT
5330-01-035-0947INTERCHANGEABLE
GASKET
5974
4820-01-112-2294INTERCHANGEABLE
VALVE,CHECK
25606
4820-01-236-6033INTERCHANGEABLE
STEM,FLUID VALVE
5961-01-257-3586INTERCHANGEABLE
TRANSISTOR
4710-01-387-8075INTERCHANGEABLE
PIPE,BENT,METALLIC
5974-G501
4320-01-464-3356INTERCHANGEABLE
PARTS KIT,HYDRAULIC MOTOR
9515-01-651-6095INTERCHANGEABLE
SHEET,METAL
05974

Frequently Asked Questions

What is NSN 3040-00-371-5003?

NSN 3040-00-371-5003 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 3040-00-371-5003?

NSN 3040-00-371-5003 has 15 cross-referenced part numbers: 4908510-3 (Kalmar AC Inc), 5620E9116 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 007851138 (Tvh Parts Co.), 851138 (Dana Off Highway Products, Llc), 851138 (Clark Equipment Co) and 10 more.

What NSN replaces 3040-00-371-5003?

There are 12 known substitutes for 3040-00-371-5003: 2540-00-140-3867, 7320-00-390-1521, 4820-00-595-4418 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 005974?

Key specifications for 005974: First End Groove Diameter: 0.4375 INCHES NOMINAL IN; First End Groove Width: 0.0620 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL; Second End Tongue Width: 0.500 INCHES NOMINAL IN. 13 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