The Keyboard-Transmitter,teletypewri, cataloged under National Stock Number 5815-01-079-8702, is classified within Federal Supply Class 5815 (Teletype and Facsimile Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5815-01-079-8702 |
| Primary Part Number | ML15-2MBE |
| Item Name | Keyboard-Transmitter,teletypewri |
| FSC / FSG | 5815 / 58 — Teletype and Facsimile Equipment |
| Manufacturer | Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny |
| Status | ACTIVE |
| FSC Application Data | TELETYPE AND FACSIMILE EQUIPMENT |
| General Characteristics Item Description | KEYBOARD MECHANICAL SPECIFICATIONS; REAR GASKET,SILICONE SPONGE RUBBER; PRINTED CIRCUIT BOARD,EPOXY GLASS TYPE G-10; MYLAR INSULATOR; CONDUCTIVE ELASTOMER; BUBBLE SHEET; ELECTROLUMINESCENT PANEL; COVER,MOLDED SILICONE RUBBER,TRANSLUCENT WHITE,WITH LEGENDS INLAID IN BLACK; ELECTRICAL SPECIFICATIONS; KEYBOARD,EACH KEY SWITCH RATING,10 MA MAX AT 32 VDC; CONTACT RESISTANCE,WHEN MEASURED AT 28 OZ FORCE,500 OHMS MAX; OPEN SWITCH RESISTANCE,10 MEGOHMS MIN; SWITCH RISE AND FALL TIMES,2.0 MILLISECONDS MAX; SWITCH CONTACT BOUNCE TIME,5 MILLISECONDS MAX; ACTUATION FORCE TO INITIATE CONTACT,20 P/M 8.0 OZ; ELECTROLUMINESCENT PANEL,VOLTAGE AND CURRENT RATING,OPERATING 45 VRMS AT 10.0 MA MAX; OPERATING FREQUENCY 400 HZ P/M 20.0 HZ; LIGHT OUTPUT 3.3 FOOT LAMBERTS TYPICAL MAX; ILLUMINATION COLAR GREEN VDC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ML15-2MBE PRIMARY | Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny (USA) |
| Reference | Meaning |
|---|---|
| 165277-1 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5815-01-079-8702 is a Keyboard-Transmitter,teletypewri, manufactured by Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny, classified under FSC 5815, Teletype and Facsimile Equipment. Status: active.
NSN 5815-01-079-8702 has 1 manufacturer part number on file: ML15-2MBE (Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-713-4759. Verify interchangeability with system specifications before substitution.
Key specifications for ML15-2MBE: FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT; General Characteristics Item Description: KEYBOARD MECHANICAL SPECIFICATIONS; REAR GASKET,SILICONE SPONGE RUBBER; PRINTED CIRCUIT BOARD,EPOXY GLASS TYPE G-10; MYLAR INSULATOR; CONDUCTIVE ELASTOMER; BUBBLE SHEET; ELECTROLUMINESCENT PANEL; COVER,MOLDED SILICONE RUBBER,TRANSLUCENT WHITE,WITH LEGENDS INLAID IN BLACK; ELECTRICAL SPECIFICATIONS; KEYBOARD,EACH KEY SWITCH RATING,10 MA MAX AT 32 VDC; CONTACT RESISTANCE,WHEN MEASURED AT 28 OZ FORCE,500 OHMS MAX; OPEN SWITCH RESISTANCE,10 MEGOHMS MIN; SWITCH RISE AND FALL TIMES,2.0 MILLISECONDS MAX; SWITCH CONTACT BOUNCE TIME,5 MILLISECONDS MAX; ACTUATION FORCE TO INITIATE CONTACT,20 P/M 8.0 OZ; ELECTROLUMINESCENT PANEL,VOLTAGE AND CURRENT RATING,OPERATING 45 VRMS AT 10.0 MA MAX; OPERATING FREQUENCY 400 HZ P/M 20.0 HZ; LIGHT OUTPUT 3.3 FOOT LAMBERTS TYPICAL MAX; ILLUMINATION COLAR GREEN VDC. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.