Lead, Ignition, Engine2925-01-443-1734

NSN 2925-01-443-1734 · NIIN 014431734 · Part number 66621-2

Unison Industries Llc · FSC 2925 — Engine Electrical System Components, Aircraft Prime Moving · FSG 29 — Engine Accessories · CAGE 59501

Government record, cited

NSN 2925-01-443-1734 — this item is cataloged by the U.S. Government under National Stock Number 2925-01-443-1734. Manufacturer of record part number: 66621-2.

Also searched as 2925-01-443-1734 · 2925014431734 · NIIN 014431734 · 01-443-1734 · FSC 2925 Engine Electrical System Components, Aircraft Prime Moving · CAGE 59501 · 66621-2 · 4054T81P05

Nearby stock numbers ← 2925-01-443-1725 Ignexciter · 2925-01-443-1748 Lead, Ignition, Engine →

Features

Lead,ignition,engine — FSC 2925
1 manufacturer part number on file
Manufacturer of record: Unison Industries Llc

Identification

NSN: 2925-01-443-1734
NIIN: 014431734
FSC: 2925 — Engine Electrical System Components, Aircraft Prime Moving
FSG: 29 — Engine Accessories
Primary part number: 66621-2
Manufacturer: Unison Industries Llc

General Description

The Lead,ignition,engine, cataloged under National Stock Number 2925-01-443-1734, is classified within Federal Supply Class 2925 (Engine Electrical System Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Unison Industries Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Lead,ignition,engine
FSC / FSG	2925 — Engine Electrical System Components, Aircraft Prime Moving (FSG 29)
Manufacturers	Unison Industries Llc (CAGE 59501)

Technical Specifications

Parameter	Value
NSN	2925-01-443-1734
Primary Part Number	66621-2
Item Name	Lead,ignition,engine
FSC / FSG	2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving
Manufacturer	Unison Industries Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
66621-2 PRIMARY	Unison Industries Llc (USA)

Reference documents

Reference	Meaning
4054T81P05	1/2 Source control — Government-approved source U.S. Government activity

Frequently Asked Questions

What is NSN 2925-01-443-1734?

NSN 2925-01-443-1734 is a Lead,ignition,engine, manufactured by Unison Industries Llc, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.

What part numbers are listed for NSN 2925-01-443-1734?

NSN 2925-01-443-1734 has 1 manufacturer part number on file: 66621-2 (Unison Industries Llc).

Is NSN 2925-01-443-1734 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.

What is the DEMIL code for NSN 2925-01-443-1734?

NSN 2925-01-443-1734 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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