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NSN 4320-01-184-4591Government record, cited

Head, Hydraulic Motor-Pump4320-01-184-4591

NSN 4320-01-184-4591 · NIIN 011844591 · Part number 3G1728
Caterpillar Inc Div Caterpillar Defense · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 11083
Government record, cited
NSN 4320-01-184-4591 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-184-4591. Manufacturer of record part number: 3G1728.
Also searched as  4320-01-184-4591 · 4320011844591 · NIIN 011844591 · 01-184-4591 · FSC 4320 Power and Hand Pumps · CAGE 11083 · 3G1728
Nearby stock numbers  ·
Features
  • Head,hydraulic Motor-Pump — FSC 4320
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 4320-01-184-4591
  • NIIN: 011844591
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: 3G1728
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Head,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-184-4591, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameHead,hydraulic Motor-Pump
FSC / FSG4320 — Power and Hand Pumps (FSG 43)
ManufacturersCaterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN4320-01-184-4591
Primary Part Number3G1728
Item NameHead,hydraulic Motor-Pump
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3G1728 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633
4320-00-001-1633 · Item name not on file
4320-00-001-2628
RETAINER AND PIN
4320-00-001-2629
HOUSING AND PIN
4320-00-001-2630
PUMP,CENTRIFUGAL
4320-00-001-2631
4320-00-001-2631 · Item name not on file
4320-00-001-2632
4320-00-001-2632 · Item name not on file
4320-00-001-3377
4320-00-001-3377 · Item name not on file
4320-00-001-3384
4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-184-4591?

NSN 4320-01-184-4591 is a Head,hydraulic Motor-Pump, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-184-4591?

NSN 4320-01-184-4591 has 1 manufacturer part number on file: 3G1728 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 4320-01-184-4591 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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