PartsTable TECHNICAL DATA SHEET

NSN 4320-01-620-6517Government record, cited

Pump, Rotary4320-01-620-6517

NSN 4320-01-620-6517 · NIIN 016206517 · Part number 23900544

Fairbanks Morse, Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 7PZX0

Government record, cited

NSN 4320-01-620-6517 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-620-6517. Manufacturer of record part number: 23900544.

Also searched as 4320-01-620-6517 · 4320016206517 · NIIN 016206517 · 01-620-6517 · FSC 4320 Power and Hand Pumps · CAGE 7PZX0 · 23900544

Nearby stock numbers ← 4320-01-620-6325 Impeller, Pump, Centrifugal · 4320-01-620-6698 Piston, Hydraulic Motor-Pump →

Features

Pump,rotary — FSC 4320
Drive Shaft Type: WOODRUFF KEYWAY
Rotary Pump Design: GEAR
Media for Which Designed: OIL
Pump Rotation Direction: COUNTERCLOCKWISE
1 manufacturer part number on file
Manufacturer of record: Fairbanks Morse, Llc

Identification

NSN: 4320-01-620-6517
NIIN: 016206517
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 23900544
Manufacturer: Fairbanks Morse, Llc

General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-620-6517, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-620-6517
Primary Part Number	23900544
Item Name	Pump,rotary
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Fairbanks Morse, Llc
Status	ACTIVE
Drive Shaft Type	WOODRUFF KEYWAY
Rotary Pump Design	GEAR
Media for Which Designed	OIL
Pump Rotation Direction	COUNTERCLOCKWISE

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
23900544 PRIMARY	Fairbanks Morse, Llc (USA)

Reference documents

Reference	Meaning
23900544	3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco

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 4320-01-620-6517?

NSN 4320-01-620-6517 is a Pump,rotary, manufactured by Fairbanks Morse, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-620-6517?

NSN 4320-01-620-6517 has 1 manufacturer part number on file: 23900544 (Fairbanks Morse, Llc).

What are the specifications of 23900544?

Key specifications for 23900544: Drive Shaft Type: WOODRUFF KEYWAY; Rotary Pump Design: GEAR; End Item Identification: MAIN DIESEL ENGINE; Media for Which Designed: OIL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-620-6517 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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