Seal Assembly, Shaft, Spring Loade4320-01-463-9587

NSN 4320-01-463-9587 · NIIN 014639587 · Part number 154-9291

Caterpillar Inc Div Caterpillar Defense · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 11083

Government record, cited

NSN 4320-01-463-9587 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-463-9587. Manufacturer of record part number: 154-9291.

Also searched as 4320-01-463-9587 · 4320014639587 · NIIN 014639587 · 01-463-9587 · FSC 4320 Power and Hand Pumps · CAGE 11083 · 154-9291

Nearby stock numbers ← 4320-01-463-9575 Repair Kit, Pumping Assembly · 4320-01-463-9600 Pump, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
Overall Diameter: 43.740 MILLIMETERS NOMINAL MM
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4320-01-463-9587
NIIN: 014639587
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 154-9291
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-463-9587, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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	4320-01-463-9587
Primary Part Number	154-9291
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Overall Diameter	43.740 MILLIMETERS NOMINAL MM

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
154-9291 PRIMARY	Caterpillar Inc Div Caterpillar Defense (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 4320-01-463-9587?

NSN 4320-01-463-9587 is a Seal Assembly,shaft,spring Loade, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-463-9587?

NSN 4320-01-463-9587 has 1 manufacturer part number on file: 154-9291 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 154-9291?

Key specifications for 154-9291: Overall Diameter: 43.740 MILLIMETERS NOMINAL MM; Overall Width: 24.120 INCHES NOMINAL IN; Special Features: INSIDE DIA 18.98 IN NOM;CONSISTS OF STAINLESS STEEL SLEEVE,HEX DRIVE SYSTEM,DRIVE SYSTEM FOUR PLACES,CARBORUNDUM CONTROLLED POROSITY SILICON CARBIDE,AND BLACK SEALANT COATING;HAND INSTALLATION NOT ALLOWED IN; Part Name Assigned by Controlling Agency: SEAL GROUP,BASIC. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-463-9587 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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