Seal Assy, Pump4320-00-256-2185

NSN 4320-00-256-2185 · NIIN 002562185 · Part number 28146-00

Itt Marlow a Unit of Itt Pumps and Compressors Div · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 38455

Government record, cited

NSN 4320-00-256-2185 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-256-2185. Manufacturer of record part number: 28146-00.

Also searched as 4320-00-256-2185 · 4320002562185 · NIIN 002562185 · 00-256-2185 · FSC 4320 Power and Hand Pumps · CAGE 38455 · 28146-00

Nearby stock numbers ← 4320-00-256-2179 · 4320-00-256-2196 Pump, Rotary →

Features

Seal Assy,pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Itt Marlow a Unit of Itt Pumps and Compressors Div

Identification

NSN: 4320-00-256-2185
NIIN: 002562185
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 28146-00
Manufacturer: Itt Marlow a Unit of Itt Pumps and Compressors Div

General Description

The Seal Assy,pump, cataloged under National Stock Number 4320-00-256-2185, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Itt Marlow a Unit of Itt Pumps and Compressors Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seal Assy,pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Itt Marlow a Unit of Itt Pumps and Compressors Div (CAGE 38455)

Technical Specifications

Parameter	Value
NSN	4320-00-256-2185
Primary Part Number	28146-00
Item Name	Seal Assy,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Itt Marlow a Unit of Itt Pumps and Compressors Div
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5330-01-288-21622814600 POSSIBLE MATCH

RETAINER,OIL SEAL ASSEMBLY

Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

Cross-Reference Index

Part Number	Manufacturer
28146-00 PRIMARY	Itt Marlow a Unit of Itt Pumps and Compressors Div (USA)

Related Parts

5330-01-288-2162POSSIBLE MATCH

RETAINER,OIL SEAL ASSEMBLY

2814600

Frequently Asked Questions

What is NSN 4320-00-256-2185?

NSN 4320-00-256-2185 is a Seal Assy,pump, manufactured by Itt Marlow a Unit of Itt Pumps and Compressors Div, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-00-256-2185?

NSN 4320-00-256-2185 has 1 manufacturer part number on file: 28146-00 (Itt Marlow a Unit of Itt Pumps and Compressors Div).

What NSN replaces 4320-00-256-2185?

1 possible match (shared part number, not a government interchangeability claim): 5330-01-288-2162. Verify interchangeability with system specifications before substitution.

Is NSN 4320-00-256-2185 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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