PartsTable TECHNICAL DATA SHEET

NSN 4320-01-308-2205Government record, cited

Pump Unit, Centrifugal4320-01-308-2205

NSN 4320-01-308-2205 · NIIN 013082205 · Part number B502-923

Control Flow, Inc. Dba Control Flow Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 3X894

Government record, cited

NSN 4320-01-308-2205 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-308-2205. Manufacturer of record part number: B502-923.

Also searched as 4320-01-308-2205 · 4320013082205 · NIIN 013082205 · 01-308-2205 · FSC 4320 Power and Hand Pumps · CAGE 3X894 · B502-923 · 4CS

Nearby stock numbers ← 4320-01-308-1740 Sleeve, Shaft, Pump · 4320-01-308-2999 Pump, Centrifugal →

Features

Pump Unit,centrifugal — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Control Flow, Inc. Dba Control Flow Inc

Identification

NSN: 4320-01-308-2205
NIIN: 013082205
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: B502-923
Manufacturer: Control Flow, Inc. Dba Control Flow Inc

General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-308-2205, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-308-2205
Primary Part Number	B502-923
Item Name	Pump Unit,centrifugal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Control Flow, Inc. Dba Control Flow 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
B502-923 PRIMARY	Control Flow, Inc. Dba Control Flow Inc (USA)

Reference documents

Reference	Meaning
4CS	C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division
B502-923	5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division

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 4320-01-308-2205?

NSN 4320-01-308-2205 is a Pump Unit,centrifugal, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-308-2205?

NSN 4320-01-308-2205 has 1 manufacturer part number on file: B502-923 (Control Flow, Inc. Dba Control Flow Inc).

What are the specifications of B502-923?

Key specifications for B502-923: End Item Identification: TRANSMISSION MECH. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-308-2205 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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