PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3G2139Plate,retaining,shaft

Caterpillar Inc Div Caterpillar Defense · NSN 3040-01-261-5112 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-261-5112 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-261-5112. Primary manufacturer part number: 3G2139.
Features
  • Plate,retaining,shaft — 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 Plate,retaining,shaft, cataloged under National Stock Number 3040-01-261-5112, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlate,retaining,shaft
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersJohnson Manufacturing Company, Inc (CAGE 32166); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN3040-01-261-5112
Primary Part Number3G2139
Item NamePlate,retaining,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-300-627130622 INTERCHANGEABLE
Gasket
Reidville Hydraulics & Mfg Inc
4720-00-684-425330622 INTERCHANGEABLE
Tubing,nonmetallic
L3harris Technologies, Inc. Div Space and Airborne Systems
5945-00-834-91279139626 INTERCHANGEABLE
Relay,thermal
Us Army Aviation and Missile Command
5330-00-849-730960812 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3424-00-857-7681 INTERCHANGEABLE
Furnace,heat Treating,electric
5996-01-412-9021 INTERCHANGEABLE
Amplifier,radio Frequency
4730-01-534-422830622 INTERCHANGEABLE
Tee,tube
Genesis Filtration Inc
Cross-Reference Index
Part NumberManufacturer
30622 Johnson Manufacturing Company, Inc (USA)
3G2139 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5330-00-300-6271INTERCHANGEABLE
GASKET
30622
4720-00-684-4253INTERCHANGEABLE
TUBING,NONMETALLIC
30622
5945-00-834-9127INTERCHANGEABLE
RELAY,THERMAL
9139626
5330-00-849-7309INTERCHANGEABLE
SEAL,PLAIN ENCASED
60812
3424-00-857-7681INTERCHANGEABLE
FURNACE,HEAT TREATING,ELECTRIC
5996-01-412-9021INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
4730-01-534-4228INTERCHANGEABLE
TEE,TUBE
30622

Frequently Asked Questions

What is NSN 3040-01-261-5112?

NSN 3040-01-261-5112 is a Plate,retaining,shaft, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-261-5112?

NSN 3040-01-261-5112 has 2 cross-referenced part numbers: 30622 (Johnson Manufacturing Company, Inc), 3G2139 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3040-01-261-5112?

There are 7 known substitutes for 3040-01-261-5112: 5330-00-300-6271, 4720-00-684-4253, 5945-00-834-9127 and 4 more. Verify interchangeability with system specifications before substitution.

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