PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TA004Shaft Idler,gear

Ingersoll-Dresser Pump Co · NSN 3040-01-121-2886 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-121-2886 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-121-2886. Primary manufacturer part number: TA004.
Features
  • Shaft Idler,gear — FSC 3040
  • General Characteristics Item Description: MATERIAL STEEL,QQ-S-624,FS4140
  • 3 verified cross-references
  • Primary manufacturer: Ingersoll-Dresser Pump Co
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Shaft Idler,gear, cataloged under National Stock Number 3040-01-121-2886, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ingersoll-Dresser Pump Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN3040-01-121-2886
Primary Part NumberTA004
Item NameShaft Idler,gear
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerIngersoll-Dresser Pump Co
StatusACTIVE
General Characteristics Item DescriptionMATERIAL STEEL,QQ-S-624,FS4140
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-01-120-5680 INTERCHANGEABLE
Restrictor,fluid Flow
4820-01-120-8271 INTERCHANGEABLE
Seat,valve
4320-01-120-8320 INTERCHANGEABLE
Segment,oil Drain
4320-01-121-0513 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4820-01-121-1855 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
TA004 Ingersoll-Dresser Pump Co (USA)
F-254-B Ingersoll-Dresser Pump Co (USA)
F254B-PIECE191 Ingersoll-Dresser Pump Co (USA)
Related Parts
4730-01-120-5680INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
4820-01-120-8271INTERCHANGEABLE
SEAT,VALVE
4320-01-120-8320INTERCHANGEABLE
SEGMENT,OIL DRAIN
4320-01-121-0513INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4820-01-121-1855INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 3040-01-121-2886?

NSN 3040-01-121-2886 is a Shaft Idler,gear, manufactured by Ingersoll-Dresser Pump Co, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-121-2886?

NSN 3040-01-121-2886 has 3 cross-referenced part numbers: TA004 (Ingersoll-Dresser Pump Co), F-254-B (Ingersoll-Dresser Pump Co), F254B-PIECE191 (Ingersoll-Dresser Pump Co).

What NSN replaces 3040-01-121-2886?

There are 5 known substitutes for 3040-01-121-2886: 4730-01-120-5680, 4820-01-120-8271, 4320-01-120-8320 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TA004?

Key specifications for TA004: General Characteristics Item Description: MATERIAL STEEL,QQ-S-624,FS4140. 1 total characteristics are documented in the Federal Logistics Information System.

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