28B508-1 - Honeywell APU Generator for Commercial Aircraft
28B508-1 is an auxiliary power unit (APU) generator manufactured by Honeywell (CAGE 64547) and cataloged by the DLA under National Stock Number 1680-01-480-6542 within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components), item name "GENERATOR, APU, AIRCRAFT." The APU generator is driven by the APU and supplies aircraft electrical power on the ground and as a backup in flight.
The specific APU model and aircraft effectivity are not identified in the DLA record and must be confirmed against the applicable APU maintenance manual / IPC. As an APU-accessory rotable it is sourced overhauled or serviceable with FAA 8130-3 / EASA Form 1, a bench-test record, and full traceability. Its function falls under ATA Chapter 49 (Airborne Auxiliary Power) / 24 (Electrical Power).
- Part Number
- 28B508-1
- Manufacturer
- Honeywell
- Aircraft Model
- Commercial Aircraft
- Category
- APU (Auxiliary Power Unit)
- Conditions Available
- New / Overhauled / Serviceable / As-Removed — quoted per unit
- Certification
- FAA Form 8130-3 / EASA Form 1 available subject to source and condition
- Price
- Quoted per unit, condition, and trace documentation
- Availability
- Sourced on request — availability confirmed per RFQ, same-day response
Key Specifications for 28B508-1
- ATA Chapter
- 49 / 24 — Auxiliary Power / Electrical
- Part Type
- APU Generator
- Manufacturer / CAGE
- Honeywell / 64547
- NSN
- 1680-01-480-6542
- FLIS Item Name
- GENERATOR, APU, AIRCRAFT (FSC 1680)
- Typical Condition
- Overhauled / Serviceable (rotable)
Procurement Notes for 28B508-1
Identity (Honeywell APU generator, NSN 1680-01-480-6542) is FLIS-confirmed; the exact APU model and aircraft must be verified against the APU manual / IPC. Source overhauled/serviceable with FAA 8130-3 and a bench-test record.
Frequently Asked Questions about 28B508-1
What aircraft does 28B508-1 fit?
Can 28B508-1 be supplied new, overhauled, or serviceable?
What traceability and certification ships with 28B508-1?
How quickly can Honeywell 28B508-1 be quoted for an AOG?
Can 28B508-1 be exported internationally?
Related APU (Auxiliary Power Unit) Parts for Commercial Aircraft
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- Honeywell Air Cycle Machine Cooling Turbine - 15866-51 by Honeywell
- Honeywell Pneumatic Air Turbine Starter - 3505044-11-1 by Honeywell
- Honeywell Starter-Generator - 518486-1 by Honeywell
Aviation Industry Guides
Reference resources for buyers sourcing apu (auxiliary power unit) components and verifying certification.
- How to Verify FAA 8130-3 Airworthiness Certification on Aircraft Parts — The FAA 8130-3 Airworthiness Approval Tag is the primary document certifying that an aircraft part meets FAA airworthiness standards and is approved for install...
- The Complete Guide to Aircraft Parts Sourcing in 2026 — Aircraft parts sourcing is the process of locating, evaluating, and procuring certified aviation components from OEMs, authorized distributors, MROs, and afterm...
- Understanding Aircraft Parts Condition Codes: A Complete Reference — Aircraft parts condition codes are standardized abbreviations defined by ATA Spec 2000 that describe the maintenance status and airworthiness of aviation compon...