PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26531Rectifier-Regulator Assembly

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 4920-01-077-8080 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-077-8080 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-077-8080. Primary manufacturer part number: 26531.
Features
  • Rectifier-Regulator Assembly — FSC 4920
  • General Characteristics Item Description: C/O 1 EA ELECTRICAL PARTS LIST P/N 26681,1 EA PRINTED CIRCUIT BOARD P/N 26529,10 EA TERMINAL P/N 1562-4,12 EA EYELET (SMALL) P/N G53-6,4 EA SCREW MACHINE 4-40X.50LG P/N 51957-15,4 EA WASHER FLAT NO. 4 P/N 15795-804,4 EA WASHER LOCK NO. 4 P/N 35338-135,4 EA NUT HEX NO. 4 P/N 35649-244,2 EASCREW MACHINE 8-32X.38LG P/N 51957-43,2 EA WASHER FLAT NO. 8 P/N 15795-807,2 EA WASHER LOCK NO. 8 P/N 35338-137,2 EA NUT HEX 8-32 P/N 35649-284,4 EA SPACER P/N 9222-A-115-16
  • 1 verified cross-reference
  • Primary manufacturer: Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Rectifier-Regulator Assembly, cataloged under National Stock Number 4920-01-077-8080, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-077-8080
Primary Part Number26531
Item NameRectifier-Regulator Assembly
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
General Characteristics Item DescriptionC/O 1 EA ELECTRICAL PARTS LIST P/N 26681,1 EA PRINTED CIRCUIT BOARD P/N 26529,10 EA TERMINAL P/N 1562-4,12 EA EYELET (SMALL) P/N G53-6,4 EA SCREW MACHINE 4-40X.50LG P/N 51957-15,4 EA WASHER FLAT NO. 4 P/N 15795-804,4 EA WASHER LOCK NO. 4 P/N 35338-135,4 EA NUT HEX NO. 4 P/N 35649-244,2 EASCREW MACHINE 8-32X.38LG P/N 51957-43,2 EA WASHER FLAT NO. 8 P/N 15795-807,2 EA WASHER LOCK NO. 8 P/N 35338-137,2 EA NUT HEX 8-32 P/N 35649-284,4 EA SPACER P/N 9222-A-115-16
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1650-00-288-5333713221 INTERCHANGEABLE
Plate-Seal,constant
Hamilton Sundstrand Corporation
4720-00-471-827926531 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5340-00-786-698426531 INTERCHANGEABLE
Seat,helical Compression Spring
Parker-Hannifin Corporation Dba Control Systems Division
4730-01-075-58582653-1 INTERCHANGEABLE
Coupling Assembly
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5950-01-099-3692678-0282-010 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5330-01-394-502326531 INTERCHANGEABLE
Seal,plain
Paccar Winch Inc Dba Paccar Winch Division
5305-01-599-618426531 INTERCHANGEABLE
Screw,cap,socket Head
Eagle Components, Inc
6665-01-599-733447-1588 INTERCHANGEABLE
Detector,radiac
Ludlum Measurements Inc
5120-01-603-450426531 INTERCHANGEABLE
Nutdriver
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
26531 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
1650-00-288-5333INTERCHANGEABLE
PLATE-SEAL,CONSTANT
713221
4720-00-471-8279INTERCHANGEABLE
HOSE,PREFORMED
26531
5340-00-786-6984INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
26531
4730-01-075-5858INTERCHANGEABLE
COUPLING ASSEMBLY
2653-1
5950-01-099-3692INTERCHANGEABLE
REACTOR
678-0282-010
5330-01-394-5023INTERCHANGEABLE
SEAL,PLAIN
26531
5305-01-599-6184INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
26531
6665-01-599-7334INTERCHANGEABLE
DETECTOR,RADIAC
47-1588
5120-01-603-4504INTERCHANGEABLE
NUTDRIVER
26531

Frequently Asked Questions

What is NSN 4920-01-077-8080?

NSN 4920-01-077-8080 is a Rectifier-Regulator Assembly, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-077-8080?

NSN 4920-01-077-8080 has 1 cross-referenced part number: 26531 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 4920-01-077-8080?

There are 9 known substitutes for 4920-01-077-8080: 1650-00-288-5333, 4720-00-471-8279, 5340-00-786-6984 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26531?

Key specifications for 26531: End Item Identification: F-16 ACFT AGE.; General Characteristics Item Description: C/O 1 EA ELECTRICAL PARTS LIST P/N 26681,1 EA PRINTED CIRCUIT BOARD P/N 26529,10 EA TERMINAL P/N 1562-4,12 EA EYELET (SMALL) P/N G53-6,4 EA SCREW MACHINE 4-40X.50LG P/N 51957-15,4 EA WASHER FLAT NO. 4 P/N 15795-804,4 EA WASHER LOCK NO. 4 P/N 35338-135,4 EA NUT HEX NO. 4 P/N 35649-244,2 EASCREW MACHINE 8-32X.38LG P/N 51957-43,2 EA WASHER FLAT NO. 8 P/N 15795-807,2 EA WASHER LOCK NO. 8 P/N 35338-137,2 EA NUT HEX 8-32 P/N 35649-284,4 EA SPACER P/N 9222-A-115-16. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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