Rotor and Shaft Pump Assembly4320-01-630-9305

NSN 4320-01-630-9305 · NIIN 016309305 · Part number 1881751C91

Nd Defense Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 338X5

Government record, cited

NSN 4320-01-630-9305 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-630-9305. Manufacturer of record part number: 1881751C91.

Also searched as 4320-01-630-9305 · 4320016309305 · NIIN 016309305 · 01-630-9305 · FSC 4320 Power and Hand Pumps · CAGE 338X5 · 1881751C91 · 1879711C91

Nearby stock numbers ← 4320-01-630-8231 Impeller, Pump, Centrifugal · 4320-01-630-9368 Pump Unit, Centrifugal →

Features

Rotor and Shaft Pump Assembly — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Nd Defense Llc

Identification

NSN: 4320-01-630-9305
NIIN: 016309305
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 1881751C91
Manufacturer: Nd Defense Llc

General Description

The Rotor and Shaft Pump Assembly, cataloged under National Stock Number 4320-01-630-9305, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Nd Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-630-9305
Primary Part Number	1881751C91
Item Name	Rotor and Shaft Pump Assembly
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Nd Defense 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
1881751C91 PRIMARY	Nd Defense Llc (USA)
1879711C91	Nd Defense 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 4320-01-630-9305?

NSN 4320-01-630-9305 is a Rotor and Shaft Pump Assembly, manufactured by Nd Defense Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-630-9305?

NSN 4320-01-630-9305 has 2 manufacturer part numbers on file: 1881751C91 (Nd Defense Llc), 1879711C91 (Nd Defense Llc).

What are the specifications of 1881751C91?

Key specifications for 1881751C91: Part Name Assigned by Controlling Agency: ROTOR ASSEMBLY,OIL PUMP; End Item Identification: NAVISTAR ENGINE GROUP. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-630-9305 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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