PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1U6673Wrench,fuel Control Adjusting

Caterpillar Inc Div Caterpillar Defense · NSN 5120-01-372-4376 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-372-4376 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-372-4376. Primary manufacturer part number: 1U6673.
Features
  • Wrench,fuel Control Adjusting — FSC 5120
  • General Characteristics Item Description: COMPONENT OF CATERPILLAR NO. 223-2454 TOOL GROUP
  • 3 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 Wrench,fuel Control Adjusting, cataloged under National Stock Number 5120-01-372-4376, 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 3 commercial cross-references from 3 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
NSN5120-01-372-4376
Primary Part Number1U6673
Item NameWrench,fuel Control Adjusting
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
General Characteristics Item DescriptionCOMPONENT OF CATERPILLAR NO. 223-2454 TOOL GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5325-00-281-912685-11-340-16 INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
4810-00-343-916250340 INTERCHANGEABLE
Valve,linear,directional Control
Hydro-Aire Aerospace Corp
5815-00-351-7909SC-B-69851 INTERCHANGEABLE
Panel,control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5331-01-066-248750340 INTERCHANGEABLE
O-Ring
Paccar Winch Inc Dba Paccar Winch Division
4930-01-211-796028A INTERCHANGEABLE
Oiler,hand
Eagle Mfg Co
5950-01-228-5547 INTERCHANGEABLE
Coil,radio Frequency
5330-01-297-4627 INTERCHANGEABLE
Packing,preformed
5995-01-360-1594 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5307-01-579-603350340 INTERCHANGEABLE
Stud,plain
Accuride Corporation Dba Accuride Distributing Llc
Cross-Reference Index
Part NumberManufacturer
10188755 Nimikkeistokeskus Ncb Finland (FIN)
50340 K-Line Industries, Inc. (USA)
1U6673 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5325-00-281-9126INTERCHANGEABLE
STUD,TURNLOCK FASTENER
85-11-340-16
4810-00-343-9162INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
50340
5815-00-351-7909INTERCHANGEABLE
PANEL,CONTROL
SC-B-69851
5331-01-066-2487INTERCHANGEABLE
O-RING
50340
4930-01-211-7960INTERCHANGEABLE
OILER,HAND
28A
5950-01-228-5547INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-01-297-4627INTERCHANGEABLE
PACKING,PREFORMED
5995-01-360-1594INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5307-01-579-6033INTERCHANGEABLE
STUD,PLAIN
50340

Frequently Asked Questions

What is NSN 5120-01-372-4376?

NSN 5120-01-372-4376 is a Wrench,fuel Control Adjusting, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-372-4376?

NSN 5120-01-372-4376 has 3 cross-referenced part numbers: 10188755 (Nimikkeistokeskus Ncb Finland), 50340 (K-Line Industries, Inc.), 1U6673 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5120-01-372-4376?

There are 9 known substitutes for 5120-01-372-4376: 5325-00-281-9126, 4810-00-343-9162, 5815-00-351-7909 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1U6673?

Key specifications for 1U6673: End Item Identification: CATERPILLAR 3114 AND 3116 SERIES ENGINES; General Characteristics Item Description: COMPONENT OF CATERPILLAR NO. 223-2454 TOOL GROUP. 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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