PartsTable TECHNICAL DATA SHEET

NSN 4320-01-574-0373Government record, cited

Ram, Hydraulic4320-01-574-0373

NSN 4320-01-574-0373 · NIIN 015740373 · Part number RC603

Lockheed Martin Corporation · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0L1E5

Government record, cited

NSN 4320-01-574-0373 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-574-0373. Manufacturer of record part number: RC603.

Also searched as 4320-01-574-0373 · 4320015740373 · NIIN 015740373 · 01-574-0373 · FSC 4320 Power and Hand Pumps · CAGE 0L1E5 · RC603

Nearby stock numbers ← 4320-01-574-0362 Pump, Hydraulic · 4320-01-574-0588 Pump, Rotary →

Features

Ram,hydraulic — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation

Identification

NSN: 4320-01-574-0373
NIIN: 015740373
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: RC603
Manufacturer: Lockheed Martin Corporation

General Description

The Ram,hydraulic, cataloged under National Stock Number 4320-01-574-0373, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Lockheed Martin Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-574-0373
Primary Part Number	RC603
Item Name	Ram,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Lockheed Martin Corporation
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
RC603 PRIMARY	Lockheed Martin Corporation (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 4320-01-574-0373?

NSN 4320-01-574-0373 is a Ram,hydraulic, manufactured by Lockheed Martin Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-574-0373?

NSN 4320-01-574-0373 has 1 manufacturer part number on file: RC603 (Lockheed Martin Corporation).

What are the specifications of RC603?

Key specifications for RC603: End Item Identification: U-2 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-574-0373 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.

What is the DEMIL code for NSN 4320-01-574-0373?

NSN 4320-01-574-0373 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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