The Earphone, cataloged under National Stock Number 5965-00-135-0506, is classified within Federal Supply Class 5965 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-135-0506 |
| Primary Part Number | SM-B-933877 |
| Item Name | Earphone |
| FSC / FSG | 5965 / 59 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | ACTIVE |
| Mounting Method | SCREW PLATE ON CASE BACK EARPHONE |
| Impedance Rating in Ohms | 1000.0 NOMINAL |
| Overall Diameter | 1.986 INCHES NOMINAL IN |
| Body Style | EARPHONE, CIRCULAR |
| Terminal Location | EXTERNAL |
| Earphone Overall Depth | 0.475 INCHES NOMINAL IN |
| Terminal Quantity | 2 |
| Input Terminal Type | SCREW SIGNAL |
| Terminal Type | SETSCREW |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SM-B-933877 | Sonetronics Inc Dba Sonetronics (USA) |
| SM-B-933877 | Acousticom Corp Dba Acousticom (USA) |
| SM-B-933877 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 933877 | Live Wire Llc Dba Live Wire Llc (USA) |
| 993 | Electro-Voice Ltd (CAN) |
| 993-9251 | Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA) |
| SM-B-933877 | Micacraft Products Co Inc (USA) |
| 71B2383 | Gentex Corp (USA) |
| 10498 | Astrocom Electronics Inc (USA) |
| SM-B-933877 | Radalab Inc (USA) |
NSN 5965-00-135-0506 is a Earphone, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5965 (No Item Name Available). Status: active.
NSN 5965-00-135-0506 has 10 cross-referenced part numbers: SM-B-933877 (Sonetronics Inc Dba Sonetronics), SM-B-933877 (Acousticom Corp Dba Acousticom), SM-B-933877 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 933877 (Live Wire Llc Dba Live Wire Llc), 993 (Electro-Voice Ltd) and 5 more.
There are 12 known substitutes for 5965-00-135-0506: 5120-00-056-3936, 3441-00-214-8817, 5110-00-243-6917 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM-B-933877: Mounting Method: SCREW PLATE ON CASE BACK EARPHONE; Impedance Rating in Ohms: 1000.0 NOMINAL; Overall Diameter: 1.986 INCHES NOMINAL IN; Special Features: THIS IS A 1000 OHM EARPHONE USED IN MK-1697/G WITH COMBAT VEHICLE CREW MEMBERS HELMETS. 10 total characteristics are documented in the Federal Logistics Information System.