PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1U6675Compressor,injector Spring

Caterpillar Inc Div Caterpillar Defense · NSN 5120-01-372-4380 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-372-4380 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-372-4380. Primary manufacturer part number: 1U6675.
Features
  • Compressor,injector Spring — FSC 5120
  • 3 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Compressor,injector Spring, cataloged under National Stock Number 5120-01-372-4380, 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. 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
NSN5120-01-372-4380
Primary Part Number1U6675
Item NameCompressor,injector Spring
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5210-00-229-305174B-6 INTERCHANGEABLE
Caliper,inside
L.s. Starrett Company (the) Div Tool Division
1650-00-546-391450348 INTERCHANGEABLE
Valve,directional F
Hydro-Aire Aerospace Corp
1005-00-602-1821 INTERCHANGEABLE
Head,ejector Rod
5950-00-645-4301 INTERCHANGEABLE
Coil,electrical
5360-01-067-9762 INTERCHANGEABLE
Spring,helical,compression
5305-01-130-899128004145 INTERCHANGEABLE
Setscrew
Woodward Hrt Inc
6505-01-249-236350348 INTERCHANGEABLE
Nystatin and Triamcinolone Aceto
Goldline Laboratories, Inc. Dba Goldline Laboratories
4520-01-332-587550448 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
7910-01-656-468250348 INTERCHANGEABLE
Cleaner,vacuum,electric
Ridge Tool Company
Cross-Reference Index
Part NumberManufacturer
1U6675 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
10188584 Nimikkeistokeskus Ncb Finland (FIN)
50348 K-Line Industries, Inc. (USA)
Related Parts
5210-00-229-3051INTERCHANGEABLE
CALIPER,INSIDE
74B-6
1650-00-546-3914INTERCHANGEABLE
VALVE,DIRECTIONAL F
50348
1005-00-602-1821INTERCHANGEABLE
HEAD,EJECTOR ROD
5950-00-645-4301INTERCHANGEABLE
COIL,ELECTRICAL
5360-01-067-9762INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5305-01-130-8991INTERCHANGEABLE
SETSCREW
28004145
6505-01-249-2363INTERCHANGEABLE
NYSTATIN AND TRIAMCINOLONE ACETO
50348
4520-01-332-5875INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50448
7910-01-656-4682INTERCHANGEABLE
CLEANER,VACUUM,ELECTRIC
50348

Frequently Asked Questions

What is NSN 5120-01-372-4380?

NSN 5120-01-372-4380 is a Compressor,injector Spring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-372-4380?

NSN 5120-01-372-4380 has 3 cross-referenced part numbers: 1U6675 (Caterpillar Inc Div Caterpillar Defense), 10188584 (Nimikkeistokeskus Ncb Finland), 50348 (K-Line Industries, Inc.).

What NSN replaces 5120-01-372-4380?

There are 9 known substitutes for 5120-01-372-4380: 5210-00-229-3051, 1650-00-546-3914, 1005-00-602-1821 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1U6675?

Key specifications for 1U6675: End Item Identification: CATERPILLAR NO. 1U-6680 GOVERNOR AND FUEL INJECTION ADJUSTING TOOL GROUP. 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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