256-5 - Boeing 737 Pa Amplifier for Boeing 737
256-5 is a boeing 737 pa amplifier manufactured by Astronics, Advanced Electronics Systems for the Boeing 737. This general components part supports aircraft operation and maintenance requirements. Units are sourced through a vetted supplier network and released with the airworthiness documentation appropriate to their condition and source (FAA Form 8130-3 / EASA Form 1 where applicable).
- Part Number
- 256-5
- Manufacturer
- Astronics, Advanced Electronics Systems
- Aircraft Model
- Boeing 737
- Category
- General Components
- 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
- Warranty
- As per manufacturer
- CAGE Code
- 3E2Y8
- NSN
- 5996-01-517-1004
Aircraft Applicability for 256-5
256-5 (Astronics, Advanced Electronics Systems) is listed as applicable to the following Boeing 737 family variants. Confirm eligibility against the aircraft IPC / Type Certificate Data Sheet for the specific tail and configuration.
- Boeing 737-700
DoD Catalog Reference for 256-5 (DLA / FLIS)
256-5 is cataloged by the U.S. Defense Logistics Agency in the Federal Logistics Information System (FLIS) under National Stock Number 5996-01-517-1004, within Federal Supply Class 5996 — AMPLIFIERS. The DLA standardized item nomenclature for this component is “AMPLIFIER,AUDIO FREQUENCY”.
The cataloged source of record (Commercial and Government Entity code 3E2Y8) is ASTRONICS ADVANCED ELECTRONIC SYSTEMS CORP. DBA ASTRONICS ADVANCED ELECTRONIC SYSTEMS of KIRKLAND, WA, UNITED STATES — an active manufacturer of record.
This catalog reference confirms 256-5 as a recognized aerospace component in the DoD supply system and is provided here for traceability and procurement validation. Authoritative source: U.S. Defense Logistics Agency Federal Logistics Information System.
About the 256-5 for Boeing 737
The Boeing 737 Pa Amplifier (P/N 256-5) is a general components for the Boeing 737, manufactured by Astronics, Advanced Electronics Systems. This component supports aircraft operation and maintenance requirements. Documented applicability spans 1 Boeing 737 configuration (Boeing 737-700). It is typically procured during line maintenance, scheduled overhaul, or AOG recovery depending on service intervals and configuration.
Depending on supplier availability, 256-5 may be sourced in the following conditions, each released with its corresponding airworthiness documentation:
- New / Factory New
- Overhauled (OH)
- Serviceable (SV) / As-Removed
FAA Form 8130-3 or EASA Form 1 dual release may be available for 256-5 subject to the source and condition of the specific unit.
Frequently Asked Questions about 256-5
What aircraft does 256-5 fit?
Can 256-5 be supplied new, overhauled, or serviceable?
What traceability and certification ships with 256-5?
How quickly can Astronics, Advanced Electronics Systems 256-5 be quoted for an AOG?
Can 256-5 be exported internationally?
Aviation Industry Guides
Reference resources for buyers sourcing general components 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...