PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1U6672Wrench,rack Adjusting

Caterpillar Inc Div Caterpillar Defense · NSN 5120-01-373-3281 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-373-3281 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-373-3281. Primary manufacturer part number: 1U6672.
Features
  • Wrench,rack Adjusting — FSC 5120
  • General Characteristics Item Description: COMPONENT OF CATERPILLAR NO. 1U-9087 CALIBRATION 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 Wrench,rack Adjusting, cataloged under National Stock Number 5120-01-373-3281, 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
NSN5120-01-373-3281
Primary Part Number1U6672
Item NameWrench,rack Adjusting
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
General Characteristics Item DescriptionCOMPONENT OF CATERPILLAR NO. 1U-9087 CALIBRATION TOOL GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2810-00-118-234450341 INTERCHANGEABLE
Washer,valve Spring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-236-1413 INTERCHANGEABLE
Packing,preformed
2530-00-488-8316 INTERCHANGEABLE
Brake Drum
4820-00-508-289012701 INTERCHANGEABLE
Valve,shuttle
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
2920-00-793-1070MBG4108A INTERCHANGEABLE
Starter,engine,electrical
Prestolite Electric Inc
5360-00-897-293450341 INTERCHANGEABLE
Spring,helical,compression
Arvinmeritor Inc
5905-00-937-401384146 INTERCHANGEABLE
Resistor,fixed,wire Wound
Shiloh Industries Inc
6505-01-242-835350341 INTERCHANGEABLE
Nystatin and Triamcinolone Aceto
Goldline Laboratories, Inc. Dba Goldline Laboratories
5306-01-572-771550341 INTERCHANGEABLE
Bolt,eccentric Head
Accuride Corporation Dba Accuride Distributing Llc
Cross-Reference Index
Part NumberManufacturer
50341 K-Line Industries, Inc. (USA)
1U6672 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
2810-00-118-2344INTERCHANGEABLE
WASHER,VALVE SPRING
50341
5330-00-236-1413INTERCHANGEABLE
PACKING,PREFORMED
2530-00-488-8316INTERCHANGEABLE
BRAKE DRUM
4820-00-508-2890INTERCHANGEABLE
VALVE,SHUTTLE
12701
2920-00-793-1070INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
MBG4108A
5360-00-897-2934INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50341
5905-00-937-4013INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
84146
6505-01-242-8353INTERCHANGEABLE
NYSTATIN AND TRIAMCINOLONE ACETO
50341
5306-01-572-7715INTERCHANGEABLE
BOLT,ECCENTRIC HEAD
50341

Frequently Asked Questions

What is NSN 5120-01-373-3281?

NSN 5120-01-373-3281 is a Wrench,rack 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 5120-01-373-3281?

NSN 5120-01-373-3281 has 2 cross-referenced part numbers: 50341 (K-Line Industries, Inc.), 1U6672 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5120-01-373-3281?

There are 9 known substitutes for 5120-01-373-3281: 2810-00-118-2344, 5330-00-236-1413, 2530-00-488-8316 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1U6672?

Key specifications for 1U6672: End Item Identification: CATERPILLAR ENGINES; Special Features: USED TO ADJUST AND TIME UNIT INJECTORS ON ENGINE; General Characteristics Item Description: COMPONENT OF CATERPILLAR NO. 1U-9087 CALIBRATION TOOL GROUP. 3 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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