PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QRB1Semiconductor Device,photo

Landis and Gyr Inc · NSN 5961-01-049-4432 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-049-4432 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-049-4432. Primary manufacturer part number: QRB1.
Features
  • Semiconductor Device,photo — FSC 5961
  • 5 verified cross-references
  • Primary manufacturer: Landis and Gyr Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,photo, cataloged under National Stock Number 5961-01-049-4432, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Landis and Gyr Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-049-4432
Primary Part NumberQRB1
Item NameSemiconductor Device,photo
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLandis and Gyr Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4320-00-122-9955 INTERCHANGEABLE
Impeller,pump,centrifugal
3040-00-269-7644 INTERCHANGEABLE
Cylinder Assembly,actuating,line
5960-00-835-33197587 INTERCHANGEABLE
Electron Tube
L3harris Interstate Electronics Corporation
5960-00-852-5545 INTERCHANGEABLE
Electron Tube
5960-00-892-0928 INTERCHANGEABLE
Electron Tube
5960-00-958-0080 INTERCHANGEABLE
Electron Tube
5998-01-072-6979Q40975-7 INTERCHANGEABLE
Circuit Card Assembly
Crown Audio, Inc. Dba Crown International
8305-01-125-6623 INTERCHANGEABLE
Cloth,mock Leno
5961-01-497-60717587 INTERCHANGEABLE
Semiconductor Device,photo
Gta Marine Dba Gta Marine
2540-01-617-6991LE82111 INTERCHANGEABLE
Crank,drive,windshield Wiper Ass
Illinois Auto Electric Co. Dba Midwest Engine Warehouse
Cross-Reference Index
Part NumberManufacturer
QRB1 Landis and Gyr Inc (USA)
7587 Teamtec As (NOR)
QRB1B-A070B70A Siemens Ag Building Technologies (DEU)
QRB1 A Ese, Inc. Dba E S Components Company (USA)
QRB1 Ese, Inc. Dba E S Components Company (USA)
Related Parts
4320-00-122-9955INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
3040-00-269-7644INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
5960-00-835-3319INTERCHANGEABLE
ELECTRON TUBE
7587
5960-00-852-5545INTERCHANGEABLE
ELECTRON TUBE
5960-00-892-0928INTERCHANGEABLE
ELECTRON TUBE
5960-00-958-0080INTERCHANGEABLE
ELECTRON TUBE
5998-01-072-6979INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
Q40975-7
8305-01-125-6623INTERCHANGEABLE
CLOTH,MOCK LENO
5961-01-497-6071INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
7587
2540-01-617-6991INTERCHANGEABLE
CRANK,DRIVE,WINDSHIELD WIPER ASS
LE82111

Frequently Asked Questions

What is NSN 5961-01-049-4432?

NSN 5961-01-049-4432 is a Semiconductor Device,photo, manufactured by Landis and Gyr Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-049-4432?

NSN 5961-01-049-4432 has 5 cross-referenced part numbers: QRB1 (Landis and Gyr Inc), 7587 (Teamtec As), QRB1B-A070B70A (Siemens Ag Building Technologies), QRB1 A (Ese, Inc. Dba E S Components Company), QRB1 (Ese, Inc. Dba E S Components Company).

What NSN replaces 5961-01-049-4432?

There are 10 known substitutes for 5961-01-049-4432: 4320-00-122-9955, 3040-00-269-7644, 5960-00-835-3319 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QRB1?

Key specifications for QRB1: Part Name Assigned by Controlling Agency: PHOTOELECTRIC CELL. 1 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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