PartsTable TECHNICAL DATA SHEET

NSN 4320-01-220-8335Government record, cited

Diffuser, Pump4320-01-220-8335

NSN 4320-01-220-8335 · NIIN 012208335 · Part number 720D0032 B517A

Circor Naval Solutions Llc Dba Warren Pumps · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 63857

Government record, cited

NSN 4320-01-220-8335 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-220-8335. Manufacturer of record part number: 720D0032 B517A.

Also searched as 4320-01-220-8335 · 4320012208335 · NIIN 012208335 · 01-220-8335 · FSC 4320 Power and Hand Pumps · CAGE 63857 · 720D0032 B517A · 999R0501PC15

Nearby stock numbers ← 4320-01-220-8334 Diffuser, Pump · 4320-01-220-8618 Deflector, Dirt and Liquid →

Features

Diffuser,pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Circor Naval Solutions Llc Dba Warren Pumps

Identification

NSN: 4320-01-220-8335
NIIN: 012208335
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 720D0032 B517A
Manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

General Description

The Diffuser,pump, cataloged under National Stock Number 4320-01-220-8335, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Diffuser,pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)

Technical Specifications

Parameter	Value
NSN	4320-01-220-8335
Primary Part Number	720D0032 B517A
Item Name	Diffuser,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
Status	ACTIVE

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
720D0032 B517A PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)

Reference documents

Reference	Meaning
999R0501PC15	D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps

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 4320-01-220-8335?

NSN 4320-01-220-8335 is a Diffuser,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-220-8335?

NSN 4320-01-220-8335 has 1 manufacturer part number on file: 720D0032 B517A (Circor Naval Solutions Llc Dba Warren Pumps).

Is NSN 4320-01-220-8335 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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