NSN 5965-01-665-6528 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-665-6528. Manufacturer of record part number: LB1-UM50E-D.
Also searched as5965-01-665-6528 ·
5965016656528 ·
NIIN 016656528 ·
01-665-6528 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 25734 · LB1-UM50E-D
Center to Center Distance Between Mounting Holes: 2.17 INCHES NOMINAL IN
Mounting Method: BRACKET(S)
Connector Manufacturer Part Number: LB1-UM50E-D
Storage Temp Range: -40.0 TO 70.0 CELSIUS DEGC
Power Rating: 50.0 WATTS NORMAL
Mounting Slot Width: 0.82 INCHES NOMINAL IN
Identification
NSN: 5965-01-665-6528
NIIN: 016656528
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: LB1-UM50E-D
Manufacturer: Bosch Security Systems, Llc
General Description
The Loudspeaker,electromagnetic, cataloged under National Stock Number 5965-01-665-6528, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bosch Security Systems, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5965-01-665-6528
Primary Part Number
LB1-UM50E-D
Item Name
Loudspeaker,electromagnetic
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
Bosch Security Systems, Llc
Status
ACTIVE
Usage Design
INDOOR AND OUTDOOR
Center to Center Distance Between Mounting Holes
2.17 INCHES NOMINAL IN
Mounting Method
BRACKET(S)
Connector Manufacturer Part Number
LB1-UM50E-D
Storage Temp Range
-40.0 TO 70.0 CELSIUS DEGC
Power Rating
50.0 WATTS NORMAL
Mounting Slot Width
0.82 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5965 — Headsets, Handsets, Microphones and Speakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5965-00-001-1492
5965-00-001-1492 · Item name not on file
5965-00-001-7591
CUSHION,EAR
5965-00-001-7592
CUSHION,HEADBAND
5965-00-001-7593
MICROPHONE ELEMENT
5965-00-003-2686
5965-00-003-2686 · Item name not on file
5965-00-003-2690
5965-00-003-2690 · Item name not on file
5965-00-003-4754
5965-00-003-4754 · Item name not on file
5965-00-004-5510
5965-00-004-5510 · Item name not on file
Frequently Asked Questions
What is NSN 5965-01-665-6528?
NSN 5965-01-665-6528 is a Loudspeaker,electromagnetic, manufactured by Bosch Security Systems, Llc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What part numbers are listed for NSN 5965-01-665-6528?
NSN 5965-01-665-6528 has 1 manufacturer part number on file: LB1-UM50E-D (Bosch Security Systems, Llc).
What are the specifications of LB1-UM50E-D?
Key specifications for LB1-UM50E-D: Overall Height: 15.94 INCHES NOMINAL IN; Usage Design: INDOOR AND OUTDOOR; Center to Center Distance Between Mounting Holes: 2.17 INCHES NOMINAL IN; Mounting Method: BRACKET(S). 7 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-665-6528 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.