Valve Head, Hydraulic Motor-Pump4320-01-656-4720

NSN 4320-01-656-4720 · NIIN 016564720 · Part number 4504860

Rtx Corporation Div Pratt & Whitney · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 55820

Government record, cited

NSN 4320-01-656-4720 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-656-4720. Manufacturer of record part number: 4504860.

Also searched as 4320-01-656-4720 · 4320016564720 · NIIN 016564720 · 01-656-4720 · FSC 4320 Power and Hand Pumps · CAGE 55820 · 4504860

Nearby stock numbers ← 4320-01-656-4309 Motor-Pump, Hydraulic · 4320-01-656-4900 Reservoir, Hydraulic →

Features

Valve Head,hydraulic Motor-Pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Div Pratt & Whitney

Identification

NSN: 4320-01-656-4720
NIIN: 016564720
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 4504860
Manufacturer: Rtx Corporation Div Pratt & Whitney

General Description

The Valve Head,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-656-4720, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve Head,hydraulic Motor-Pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Rtx Corporation Div Pratt & Whitney (CAGE 55820)

Technical Specifications

Parameter	Value
NSN	4320-01-656-4720
Primary Part Number	4504860
Item Name	Valve Head,hydraulic Motor-Pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Rtx Corporation Div Pratt & Whitney
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
4504860 PRIMARY	Rtx Corporation Div Pratt & Whitney (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 4320-01-656-4720?

NSN 4320-01-656-4720 is a Valve Head,hydraulic Motor-Pump, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-656-4720?

NSN 4320-01-656-4720 has 1 manufacturer part number on file: 4504860 (Rtx Corporation Div Pratt & Whitney).

Is NSN 4320-01-656-4720 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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