The Test Set,telecommunication Syste, cataloged under National Stock Number 6625-00-446-1689, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Joslyn Products. Government technical data includes 13 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.
| Parameter | Value |
|---|---|
| NSN | 6625-00-446-1689 |
| Primary Part Number | 1914B |
| Item Name | Test Set,telecommunication Syste |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Joslyn Products |
| Status | ACTIVE |
| Phase | SINGLE |
| Operating Test Capability | CLOCK SIGNALS 10 TO 20,000 BITS PER SEC |
| AC Voltage Rating | 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Major Components | TEST SET; TEST LEADS 2 |
| Reference Data and Literature | TO 33A1-3-467-1 |
| Electrical Power Source Relationship | OPERATING |
| Height | 15.000 INCHES NOMINAL IN |
| Depth | 7.500 INCHES NOMINAL IN |
| Functional Description | PORTABLE DATA TRANSMISSION TEST SET TESTS VOICEBAND DATA SYSTEMS; COMPATIBLE WITH DIGITAL & ANALOG MODEMS; SYNCHRONOUS OR ASYNCHRONOUS SERIAL-DATA MODEMS MAY BE TESTED; CAN BE USED AT BOTH TRANSMITTING & RECEIVING STATIONS |
| Enclosure Feature | SINGLE ITEM W/CARRYING CASE |
| Frequency Rating | 48.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Width | 18.500 INCHES NOMINAL IN |
| Test Type for Which Designed | DYNAMIC & STATIC TESTS OF SYSTEMS; BIT & BLOCK ERROR COUNTING; DOT SIGNAL,63 BIT,& 511 BIT PSEUDORANDOM WORD DIGITAL TEST MESSAGES; CLOCK SEQUENCES; VOLTAGE CHECKS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1914B PRIMARY | Joslyn Products (USA) |
NSN 6625-00-446-1689 is a Test Set,telecommunication Syste, manufactured by Joslyn Products, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-446-1689 has 1 manufacturer part number on file: 1914B (Joslyn Products).
Key specifications for 1914B: Phase: SINGLE; Operating Test Capability: CLOCK SIGNALS 10 TO 20,000 BITS PER SEC; AC Voltage Rating: 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Major Components: TEST SET; TEST LEADS 2. 13 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.