Ejector, Jet4320-01-490-2039

NSN 4320-01-490-2039 · NIIN 014902039 · Part number 155-2749

Cummins Power Generation Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 44940

Government record, cited

NSN 4320-01-490-2039 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-490-2039. Manufacturer of record part number: 155-2749.

Also searched as 4320-01-490-2039 · 4320014902039 · NIIN 014902039 · 01-490-2039 · FSC 4320 Power and Hand Pumps · CAGE 44940 · 155-2749

Nearby stock numbers ← 4320-01-490-1838 Pump Unit, Centrifugal · 4320-01-490-2044 Pump, Rotary →

Features

Ejector,jet — FSC 4320
Functional Description: USED FOR MARINE GEN APPLICATIONS, PREVENTS SEA WATER FROM BACKING UP INTO THE BOAT
1 manufacturer part number on file
Manufacturer of record: Cummins Power Generation Inc.

Identification

NSN: 4320-01-490-2039
NIIN: 014902039
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 155-2749
Manufacturer: Cummins Power Generation Inc.

General Description

The Ejector,jet, cataloged under National Stock Number 4320-01-490-2039, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	4320-01-490-2039
Primary Part Number	155-2749
Item Name	Ejector,jet
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Cummins Power Generation Inc.
Status	ACTIVE
Functional Description	USED FOR MARINE GEN APPLICATIONS, PREVENTS SEA WATER FROM BACKING UP INTO THE BOAT

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
155-2749 PRIMARY	Cummins Power Generation 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 4320-01-490-2039?

NSN 4320-01-490-2039 is a Ejector,jet, manufactured by Cummins Power Generation Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-490-2039?

NSN 4320-01-490-2039 has 1 manufacturer part number on file: 155-2749 (Cummins Power Generation Inc.).

What are the specifications of 155-2749?

Key specifications for 155-2749: Functional Description: USED FOR MARINE GEN APPLICATIONS, PREVENTS SEA WATER FROM BACKING UP INTO THE BOAT; End Item Identification: GENERATOR SETS. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-490-2039 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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