Cover, Fluid Filter4330-01-332-1565

NSN 4330-01-332-1565 · NIIN 013321565 · Part number ST51-B-250 REVG 3IN PC 5

Haywardindl. Products, Inc. · FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters · FSG 43 — Pumps and Compressors · CAGE 73124

Government record, cited

NSN 4330-01-332-1565 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-332-1565. Manufacturer of record part number: ST51-B-250 REVG 3IN PC 5.

Also searched as 4330-01-332-1565 · 4330013321565 · NIIN 013321565 · 01-332-1565 · FSC 4330 Centrifugals, Separators, and Pressure and Vacuum Filters · CAGE 73124 · ST51-B-250 REVG 3IN PC 5 · ST266A1AMIL

Nearby stock numbers ← 4330-01-332-0849 Filter Element, Fluid · 4330-01-332-1624 Filter, Fluid →

Features

Cover,fluid Filter — FSC 4330
2 manufacturer part numbers on file
Manufacturer of record: Haywardindl. Products, Inc.

Identification

NSN: 4330-01-332-1565
NIIN: 013321565
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
FSG: 43 — Pumps and Compressors
Primary part number: ST51-B-250 REVG 3IN PC 5
Manufacturer: Haywardindl. Products, Inc.

General Description

The Cover,fluid Filter, cataloged under National Stock Number 4330-01-332-1565, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Haywardindl. Products, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Cover,fluid Filter
FSC / FSG	4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43)
Manufacturers	Haywardindl. Products, Inc. (CAGE 73124)

Technical Specifications

Parameter	Value
NSN	4330-01-332-1565
Primary Part Number	ST51-B-250 REVG 3IN PC 5
Item Name	Cover,fluid Filter
FSC / FSG	4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters
Manufacturer	Haywardindl. Products, 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
ST266A1AMIL	Haywardindl. Products, Inc. (USA)
ST51-B-250 REVG 3IN PC 5 PRIMARY	Haywardindl. Products, Inc. (USA)

No interchangeability data on file.

Other items in FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

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4330-00-000-0145

FILTER ELEMENT,FLUID

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4330-00-001-1246 · Item name not on file

4330-00-001-1733

ADAPTER,FLUID FILTER

4330-00-001-2626

FILTER ELEMENT,FLUID

4330-00-001-2700

4330-00-001-2700 · Item name not on file

4330-00-001-3511

4330-00-001-3511 · Item name not on file

4330-00-001-3512

4330-00-001-3512 · Item name not on file

Frequently Asked Questions

What is NSN 4330-01-332-1565?

NSN 4330-01-332-1565 is a Cover,fluid Filter, manufactured by Haywardindl. Products, Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.

What part numbers are listed for NSN 4330-01-332-1565?

NSN 4330-01-332-1565 has 2 manufacturer part numbers on file: ST266A1AMIL (Haywardindl. Products, Inc.), ST51-B-250 REVG 3IN PC 5 (Haywardindl. Products, Inc.).

Is NSN 4330-01-332-1565 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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