PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1U7305Insertion Tool

Caterpillar Inc Div Caterpillar Defense · NSN 5120-01-372-3812 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-372-3812 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-372-3812. Primary manufacturer part number: 1U7305.
Features
  • Insertion Tool — FSC 5120
  • General Characteristics Item Description: COMPONENT OF CATERPILLAR NO. 1U6680 GOVERNOR AND FUEL INJECTION ADJUSTING TOOL GROUP
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Insertion Tool, cataloged under National Stock Number 5120-01-372-3812, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-372-3812
Primary Part Number1U7305
Item NameInsertion Tool
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
General Characteristics Item DescriptionCOMPONENT OF CATERPILLAR NO. 1U6680 GOVERNOR AND FUEL INJECTION ADJUSTING TOOL GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-220-663750328 INTERCHANGEABLE
Transformer,radio Frequency
Coiltron Inc Div Coiltron
5330-00-291-638416916 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3040-00-356-3308SC-B-69579 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-00-657-6818105250 INTERCHANGEABLE
Pin,quick Release
Air Logistics Corporation Dba Air Logistics Corp
5330-01-022-888121040 INTERCHANGEABLE
Packing,preformed
Paccar Winch Inc Dba Paccar Winch Division
5331-01-066-191650328 INTERCHANGEABLE
O-Ring
Paccar Winch Inc Dba Paccar Winch Division
5360-01-337-023950328 INTERCHANGEABLE
Spring,helical,compression
Husco International Inc
5995-01-359-7303 INTERCHANGEABLE
Cable Assembly,power,electrical
5305-01-611-193750328 INTERCHANGEABLE
Screw,machine
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
1U7305 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
50328 K-Line Industries, Inc. (USA)
Related Parts
5950-00-220-6637INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
50328
5330-00-291-6384INTERCHANGEABLE
SEAL,PLAIN ENCASED
16916
3040-00-356-3308INTERCHANGEABLE
SHAFT,SHOULDERED
SC-B-69579
5315-00-657-6818INTERCHANGEABLE
PIN,QUICK RELEASE
105250
5330-01-022-8881INTERCHANGEABLE
PACKING,PREFORMED
21040
5331-01-066-1916INTERCHANGEABLE
O-RING
50328
5360-01-337-0239INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50328
5995-01-359-7303INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
5305-01-611-1937INTERCHANGEABLE
SCREW,MACHINE
50328

Frequently Asked Questions

What is NSN 5120-01-372-3812?

NSN 5120-01-372-3812 is a Insertion Tool, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-372-3812?

NSN 5120-01-372-3812 has 2 cross-referenced part numbers: 1U7305 (Caterpillar Inc Div Caterpillar Defense), 50328 (K-Line Industries, Inc.).

What NSN replaces 5120-01-372-3812?

There are 9 known substitutes for 5120-01-372-3812: 5950-00-220-6637, 5330-00-291-6384, 3040-00-356-3308 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1U7305?

Key specifications for 1U7305: General Characteristics Item Description: COMPONENT OF CATERPILLAR NO. 1U6680 GOVERNOR AND FUEL INJECTION ADJUSTING TOOL GROUP; End Item Identification: CATERPILLAR 1.1 LITER ENGINES. 2 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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