PartsTable TECHNICAL DATA SHEET

NSN 4320-01-443-9502Government record, cited

Seal Assembly, Shaft, Spring Loade4320-01-443-9502

NSN 4320-01-443-9502 · NIIN 014439502 · Part number US72244-2

Defense Maritime Solutions, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0EYA6

Government record, cited

NSN 4320-01-443-9502 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-443-9502. Manufacturer of record part number: US72244-2.

Also searched as 4320-01-443-9502 · 4320014439502 · NIIN 014439502 · 01-443-9502 · FSC 4320 Power and Hand Pumps · CAGE 0EYA6 · US72244-2

Nearby stock numbers ← 4320-01-443-9491 Pump Unit, Centrifugal · 4320-01-443-9542 Cover, Liq Pump →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Defense Maritime Solutions, Inc.

Identification

NSN: 4320-01-443-9502
NIIN: 014439502
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: US72244-2
Manufacturer: Defense Maritime Solutions, Inc.

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-443-9502, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Defense Maritime Solutions, Inc. (CAGE 0EYA6)

Technical Specifications

Parameter	Value
NSN	4320-01-443-9502
Primary Part Number	US72244-2
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Defense Maritime Solutions, Inc.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
US72244-2 PRIMARY	Defense Maritime Solutions, Inc. (USA)

Reference documents

Reference	Meaning
US72244-2	5/9 Secondary reference Wartsila Lips Inc

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 4320-01-443-9502?

NSN 4320-01-443-9502 is a Seal Assembly,shaft,spring Loade, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-443-9502?

NSN 4320-01-443-9502 has 1 manufacturer part number on file: US72244-2 (Defense Maritime Solutions, Inc.).

Is NSN 4320-01-443-9502 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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