Shaft, Transmission, Pump4320-01-129-5635

NSN 4320-01-129-5635 · NIIN 011295635 · Part number 545997-23

Trillium Pumps Usa, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 08239

Government record, cited

NSN 4320-01-129-5635 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-129-5635. Manufacturer of record part number: 545997-23.

Also searched as 4320-01-129-5635 · 4320011295635 · NIIN 011295635 · 01-129-5635 · FSC 4320 Power and Hand Pumps · CAGE 08239 · 545997-23

Nearby stock numbers ← 4320-01-129-5634 Ring, Diffuser · 4320-01-129-5643 Diaphragm, Pump →

Features

Shaft,transmission,pump — FSC 4320
Shaft Largest Diameter: 0.750 INCHES NOMINAL IN
Shaft Length: 23.000 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Trillium Pumps Usa, Inc.

Identification

NSN: 4320-01-129-5635
NIIN: 011295635
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 545997-23
Manufacturer: Trillium Pumps Usa, Inc.

General Description

The Shaft,transmission,pump, cataloged under National Stock Number 4320-01-129-5635, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Trillium Pumps Usa, Inc.. Government technical data includes 3 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	4320-01-129-5635
Primary Part Number	545997-23
Item Name	Shaft,transmission,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Trillium Pumps Usa, Inc.
Status	ACTIVE
Shaft Largest Diameter	0.750 INCHES NOMINAL IN
Shaft Length	23.000 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING

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
545997-23 PRIMARY	Trillium Pumps Usa, Inc. (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 4320-01-129-5635?

NSN 4320-01-129-5635 is a Shaft,transmission,pump, manufactured by Trillium Pumps Usa, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-129-5635?

NSN 4320-01-129-5635 has 1 manufacturer part number on file: 545997-23 (Trillium Pumps Usa, Inc.).

What are the specifications of 545997-23?

Key specifications for 545997-23: Shaft Largest Diameter: 0.750 INCHES NOMINAL IN; Shaft Length: 23.000 INCHES NOMINAL IN; Special Features: THK 0.812 IN. IN; End Item Identification: PEABODY FLOWAY MODEL 4H0 TURBINE CENTRIFUGAL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-129-5635 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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