Piston4320-01-289-6250

NSN 4320-01-289-6250 · NIIN 012896250 · Part number 56228-13

Lynair Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 53554

Government record, cited

NSN 4320-01-289-6250 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-289-6250. Manufacturer of record part number: 56228-13.

Also searched as 4320-01-289-6250 · 4320012896250 · NIIN 012896250 · 01-289-6250 · FSC 4320 Power and Hand Pumps · CAGE 53554 · 56228-13

Nearby stock numbers ← 4320-01-289-6249 Shell Cylinder · 4320-01-289-6347 Pump and Motor Assy →

Features

Piston — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Lynair Inc

Identification

NSN: 4320-01-289-6250
NIIN: 012896250
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 56228-13
Manufacturer: Lynair Inc

General Description

The Piston, cataloged under National Stock Number 4320-01-289-6250, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Lynair 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.

Catalog Facts

Item Name	Piston
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Lynair Inc (CAGE 53554)

Technical Specifications

Parameter	Value
NSN	4320-01-289-6250
Primary Part Number	56228-13
Item Name	Piston
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Lynair 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)

Cross-Reference Index

Part Number	Manufacturer
56228-13 PRIMARY	Lynair 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 4320-01-289-6250?

NSN 4320-01-289-6250 is a Piston, manufactured by Lynair Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-289-6250?

NSN 4320-01-289-6250 has 1 manufacturer part number on file: 56228-13 (Lynair Inc).

Is NSN 4320-01-289-6250 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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