Pump Unit, Reciprocating4320-01-662-0655

NSN 4320-01-662-0655 · NIIN 016620655 · Part number DOA-P501-DB

Gast Mfg Corp · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 24123

Government record, cited

NSN 4320-01-662-0655 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-662-0655. Manufacturer of record part number: DOA-P501-DB.

Also searched as 4320-01-662-0655 · 4320016620655 · NIIN 016620655 · 01-662-0655 · FSC 4320 Power and Hand Pumps · CAGE 24123 · DOA-P501-DB

Nearby stock numbers ← 4320-01-662-0543 Connector, Fluid, Pump · 4320-01-662-0682 Connector, Fluid, Pump →

Features

Pump Unit,reciprocating — FSC 4320
Pumping Element Type: PISTON
Pumping Element Operating Position: HORIZONTAL
Pump Quantity: 1
Pump Reciprocating Design: SINGLE ACTING
1 manufacturer part number on file
Manufacturer of record: Gast Mfg Corp

Identification

NSN: 4320-01-662-0655
NIIN: 016620655
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: DOA-P501-DB
Manufacturer: Gast Mfg Corp

General Description

The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-662-0655, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Gast Mfg Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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	4320-01-662-0655
Primary Part Number	DOA-P501-DB
Item Name	Pump Unit,reciprocating
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Gast Mfg Corp
Status	ACTIVE
Pumping Element Type	PISTON
Pumping Element Operating Position	HORIZONTAL
Pump Quantity	1
Pump Reciprocating Design	SINGLE ACTING

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
DOA-P501-DB PRIMARY	Gast Mfg Corp (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 4320-01-662-0655?

NSN 4320-01-662-0655 is a Pump Unit,reciprocating, manufactured by Gast Mfg Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-662-0655?

NSN 4320-01-662-0655 has 1 manufacturer part number on file: DOA-P501-DB (Gast Mfg Corp).

What are the specifications of DOA-P501-DB?

Key specifications for DOA-P501-DB: Pumping Element Type: PISTON; Pumping Element Operating Position: HORIZONTAL; Pump Quantity: 1; Pump Reciprocating Design: SINGLE ACTING. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-662-0655 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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