Piston, Pump4320-01-486-2159

NSN 4320-01-486-2159 · NIIN 014862159 · Part number SI4394212-203

Seyer Industries, Inc. Dba Seyer Industries Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 19494

Government record, cited

NSN 4320-01-486-2159 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-486-2159. Manufacturer of record part number: SI4394212-203.

Also searched as 4320-01-486-2159 · 4320014862159 · NIIN 014862159 · 01-486-2159 · FSC 4320 Power and Hand Pumps · CAGE 19494 · SI4394212-203

Nearby stock numbers ← 4320-01-486-2132 Piston, Pump · 4320-01-486-2367 Housing, Liquid Pump →

Features

Piston,pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Seyer Industries, Inc. Dba Seyer Industries Inc

Identification

NSN: 4320-01-486-2159
NIIN: 014862159
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: SI4394212-203
Manufacturer: Seyer Industries, Inc. Dba Seyer Industries Inc

General Description

The Piston,pump, cataloged under National Stock Number 4320-01-486-2159, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Seyer Industries, Inc. Dba Seyer Industries Inc. 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	4320-01-486-2159
Primary Part Number	SI4394212-203
Item Name	Piston,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Seyer Industries, Inc. Dba Seyer Industries Inc
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
SI4394212-203 PRIMARY	Seyer Industries, Inc. Dba Seyer Industries 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 4320-01-486-2159?

NSN 4320-01-486-2159 is a Piston,pump, manufactured by Seyer Industries, Inc. Dba Seyer Industries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-486-2159?

NSN 4320-01-486-2159 has 1 manufacturer part number on file: SI4394212-203 (Seyer Industries, Inc. Dba Seyer Industries Inc).

What are the specifications of SI4394212-203?

Key specifications for SI4394212-203: Special Features: QTY: 1; Part Name Assigned by Controlling Agency: PUMP PISTON, LOW PRESSURE; End Item Identification: PUMP ASSEMBLY, AXLE JACK, PART NUMBER SI4394202-201; WSD: CONSOLIDATED GROUND SUPPORT EQUIPMENT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-486-2159 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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