Cover, Hydraulic, Pump-Motor4320-01-409-0076

NSN 4320-01-409-0076 · NIIN 014090076 · Part number C5903

Engine Systems, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 16505

Government record, cited

NSN 4320-01-409-0076 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-409-0076. Manufacturer of record part number: C5903.

Also searched as 4320-01-409-0076 · 4320014090076 · NIIN 014090076 · 01-409-0076 · FSC 4320 Power and Hand Pumps · CAGE 16505 · C5903 · 6080B03041 ITEM 32

Nearby stock numbers ← 4320-01-409-0073 Housing, Liquid Pump · 4320-01-409-0089 Plate, Wear, Rotary Pump →

Features

Cover,hydraulic,pump-Motor — FSC 4320
Material: COPPER ALLOY
2 manufacturer part numbers on file
Manufacturer of record: Engine Systems, Inc.

Identification

NSN: 4320-01-409-0076
NIIN: 014090076
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: C5903
Manufacturer: Engine Systems, Inc.

General Description

The Cover,hydraulic,pump-Motor, cataloged under National Stock Number 4320-01-409-0076, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Engine Systems, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-409-0076
Primary Part Number	C5903
Item Name	Cover,hydraulic,pump-Motor
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Engine Systems, Inc.
Status	ACTIVE
Material	COPPER ALLOY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
C5903 PRIMARY	Engine Systems, Inc. (USA)
6080B03041 ITEM 32	Engine Systems, Inc. (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 4320-01-409-0076?

NSN 4320-01-409-0076 is a Cover,hydraulic,pump-Motor, manufactured by Engine Systems, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-409-0076?

NSN 4320-01-409-0076 has 2 manufacturer part numbers on file: C5903 (Engine Systems, Inc.), 6080B03041 ITEM 32 (Engine Systems, Inc.).

What are the specifications of C5903?

Key specifications for C5903: End Item Identification: PUMP ASSEMBLY;MKW POWER SYSTEMS;MODEL 6080B03041; Material: COPPER ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-409-0076 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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