Pump Subassembly, Rotary4320-01-559-0191

NSN 4320-01-559-0191 · NIIN 015590191 · Part number TS2021

Hydro Engineering Innovation, Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 64030

Government record, cited

NSN 4320-01-559-0191 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-559-0191. Manufacturer of record part number: TS2021.

Also searched as 4320-01-559-0191 · 4320015590191 · NIIN 015590191 · 01-559-0191 · FSC 4320 Power and Hand Pumps · CAGE 64030 · TS2021

Nearby stock numbers ← 4320-01-559-0187 Parts Kit, Water Distribution Equ · 4320-01-559-0196 Parts Kit, Hydraulic Pump →

Features

Pump Subassembly,rotary — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Hydro Engineering Innovation, Llc

Identification

NSN: 4320-01-559-0191
NIIN: 015590191
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: TS2021
Manufacturer: Hydro Engineering Innovation, Llc

General Description

The Pump Subassembly,rotary, cataloged under National Stock Number 4320-01-559-0191, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hydro Engineering Innovation, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-559-0191
Primary Part Number	TS2021
Item Name	Pump Subassembly,rotary
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Hydro Engineering Innovation, Llc
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
TS2021 PRIMARY	Hydro Engineering Innovation, Llc (USA)

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 4320-01-559-0191?

NSN 4320-01-559-0191 is a Pump Subassembly,rotary, manufactured by Hydro Engineering Innovation, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-559-0191?

NSN 4320-01-559-0191 has 1 manufacturer part number on file: TS2021 (Hydro Engineering Innovation, Llc).

What are the specifications of TS2021?

Key specifications for TS2021: Special Features: 5/3000 GHOTT/M PRESSURE WASHER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-559-0191 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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