The Teletypewriter Set, cataloged under National Stock Number 5815-01-009-4320, 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 Telemechanics Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5815-01-009-4320 |
| Primary Part Number | 4020-8H0D (SPL) |
| Item Name | Teletypewriter Set |
| FSC / FSG | 5815 / 58 — Teletype and Facsimile Equipment |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Phase | SINGLE FIRST ALTERNATE OPERATING POWER RQMT |
| Character Quantity Per Line | 80 |
| AC Voltage Rating | 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Motor Type | ANY ACCEPTABLE |
| Joint Electronics Type Designation System Item Type Number | AN/GGC-57 |
| Joint Electronics Type Designation System Item Name | TELETYPWRITER-TELEPRINTER SET |
| Keyboard Language | ENGLISH |
| Tape Feed Type | SPROCKET |
| Functional Description | RECEIVES AT 2400BAUD-10 UNIT CODE ON ORDINARY TELETYPE PAPER. OPERATES ONLY HALF-DUPLEX AND CAN SEND DIRECTLY FROM KEYBOARD ON-LINE AND MAKE HARD COPY AT THE SAME TIME |
| Unit Interval Quantity | 7.00 AND 7.50 |
| Installation Design | FIXED STATION |
| Keyboard Type | STANDARD COMMUNICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 4020-8H0D (SPL) PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 4020-8H0D (SPL) | 5/9 Secondary reference American Telephone and Telegraph Co |
| AN/GGC-57 | 5/2 Secondary reference U.S. Government activity |
NSN 5815-01-009-4320 is a Teletypewriter Set, manufactured by Telemechanics Inc, classified under FSC 5815, Teletype and Facsimile Equipment. Status: active.
NSN 5815-01-009-4320 has 1 manufacturer part number on file: 4020-8H0D (SPL) (Telemechanics Inc).
Key specifications for 4020-8H0D (SPL): Overall Height: 38.750 INCHES NOMINAL IN; Phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT; Character Quantity Per Line: 80; AC Voltage Rating: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT. 12 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.