PartsTable TECHNICAL DATA SHEET

NSN 4320-01-442-0839Government record, cited

Pump, Rotary4320-01-442-0839

NSN 4320-01-442-0839 · NIIN 014420839 · Part number 43655K34

Mcmaster-Carr Supply Co · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 39428

Government record, cited

NSN 4320-01-442-0839 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-442-0839. Manufacturer of record part number: 43655K34.

Also searched as 4320-01-442-0839 · 4320014420839 · NIIN 014420839 · 01-442-0839 · FSC 4320 Power and Hand Pumps · CAGE 39428 · 43655K34 · 43655K48

Nearby stock numbers ← 4320-01-442-0658 Pump Subassembly, Rotary · 4320-01-442-1094 Impeller, Pump, Centrifugal →

Features

Pump,rotary — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 4320-01-442-0839
NIIN: 014420839
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 43655K34
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-442-0839, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mcmaster-Carr Supply Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Pump,rotary
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Mcmaster-Carr Supply Co (CAGE 39428)

Technical Specifications

Parameter	Value
NSN	4320-01-442-0839
Primary Part Number	43655K34
Item Name	Pump,rotary
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Mcmaster-Carr Supply Co
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
43655K34 PRIMARY	Mcmaster-Carr Supply Co (USA)

Reference documents

Reference	Meaning
43655K48	3/9 Design control — primary reference Mcmaster-Carr Supply Co

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 4320-01-442-0839?

NSN 4320-01-442-0839 is a Pump,rotary, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-442-0839?

NSN 4320-01-442-0839 has 1 manufacturer part number on file: 43655K34 (Mcmaster-Carr Supply Co).

Is NSN 4320-01-442-0839 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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