PartsTable TECHNICAL DATA SHEET

NSN 4320-01-284-0818Government record, cited

Seal Assembly, Shaft, Spring Loade4320-01-284-0818

NSN 4320-01-284-0818 · NIIN 012840818 · Part number S2-8504 PIECE 111

Ebara Mfg Co. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE J1339

Government record, cited

NSN 4320-01-284-0818 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-284-0818. Manufacturer of record part number: S2-8504 PIECE 111.

Also searched as 4320-01-284-0818 · 4320012840818 · NIIN 012840818 · 01-284-0818 · FSC 4320 Power and Hand Pumps · CAGE J1339 · S2-8504 PIECE 111

Nearby stock numbers ← 4320-01-284-0525 Pump Unit, Centrifugal · 4320-01-284-1065 Pump Unit, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Ebara Mfg Co.

Identification

NSN: 4320-01-284-0818
NIIN: 012840818
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: S2-8504 PIECE 111
Manufacturer: Ebara Mfg Co.

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-284-0818, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ebara Mfg 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Ebara Mfg Co. (CAGE J1339)

Technical Specifications

Parameter	Value
NSN	4320-01-284-0818
Primary Part Number	S2-8504 PIECE 111
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Ebara Mfg 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
S2-8504 PIECE 111 PRIMARY	Ebara Mfg Co. (JPN)

Reference documents

Reference	Meaning
S2-8504 PIECE 111	3/9 Design control — primary reference Ebara Mfg 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 4320-01-284-0818?

NSN 4320-01-284-0818 is a Seal Assembly,shaft,spring Loade, manufactured by Ebara Mfg Co., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-284-0818?

NSN 4320-01-284-0818 has 1 manufacturer part number on file: S2-8504 PIECE 111 (Ebara Mfg Co.).

Is NSN 4320-01-284-0818 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.

PartsTable Design LLC · partstable.com