Pump, Hydraulic4320-01-448-6337

NSN 4320-01-448-6337 · NIIN 014486337 · Part number 1437-OOP

Portaco, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0S4R0

Government record, cited

NSN 4320-01-448-6337 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-448-6337. Manufacturer of record part number: 1437-OOP.

Also searched as 4320-01-448-6337 · 4320014486337 · NIIN 014486337 · 01-448-6337 · FSC 4320 Power and Hand Pumps · CAGE 0S4R0 · 1437-OOP

Nearby stock numbers ← 4320-01-448-6266 Rotor and Shaft Pump Assembly · 4320-01-448-6445 →

Features

Pump,hydraulic — FSC 4320
General Characteristics Item Description: 0.67 CU.IN. DISPLACEMENT
1 manufacturer part number on file
Manufacturer of record: Portaco, Inc.

Identification

NSN: 4320-01-448-6337
NIIN: 014486337
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 1437-OOP
Manufacturer: Portaco, Inc.

General Description

The Pump,hydraulic, cataloged under National Stock Number 4320-01-448-6337, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Portaco, 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	4320-01-448-6337
Primary Part Number	1437-OOP
Item Name	Pump,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Portaco, Inc.
Status	ACTIVE
General Characteristics Item Description	0.67 CU.IN. DISPLACEMENT

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
1437-OOP PRIMARY	Portaco, 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 4320-01-448-6337?

NSN 4320-01-448-6337 is a Pump,hydraulic, manufactured by Portaco, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-448-6337?

NSN 4320-01-448-6337 has 1 manufacturer part number on file: 1437-OOP (Portaco, Inc.).

What are the specifications of 1437-OOP?

Key specifications for 1437-OOP: General Characteristics Item Description: 0.67 CU.IN. DISPLACEMENT; Special Features: MK9 M.0 HYDRAULIC PUMP; End Item Identification: NAVY WEAPONS CODE FH, DIVERS' LIFE SUPPORT SYSTEM. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-448-6337 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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