The Transmitter,temperature,electric, cataloged under National Stock Number 6685-00-043-0749, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Horizon Aerospace Llc Dba Magnetics Division. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-043-0749 |
| Primary Part Number | 56B17T |
| Item Name | Transmitter,temperature,electric |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Horizon Aerospace Llc Dba Magnetics Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREAD |
| Distance Across Wrenching Surface Flats | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.281 INCHES NOMINAL IN |
| Style Designator | TRANSMITTER, 24V DC V |
| Mounting Facility Screw Thread Series Designator | UNF |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Thread Quantity | 20 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.438 INCHES IN |
| Unit Type | PROTECTIVE TUBE |
| Operating Temp Range | -70.0 TO 300.0 CELSIUS DEGC |
| Accommodated Contact Type and Quantity | 2 MALE SNAP-ON |
| Material | STEEL CORROSION RESISTING OVERALL |
| Terminal Type and Quantity | 1 SOCKET |
| 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 |
|---|---|
| 56B17T PRIMARY | Horizon Aerospace Llc Dba Magnetics Division (USA) |
| 56B17T PRIMARY | Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas (USA) |
| Reference | Meaning |
|---|---|
| 6861673 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 6685-00-043-0749 is a Transmitter,temperature,electric, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-043-0749 has 2 manufacturer part numbers on file: 56B17T (Horizon Aerospace Llc Dba Magnetics Division), 56B17T (Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas).
Key specifications for 56B17T: Mounting Facility Type and Quantity: 1 THREAD; Distance Across Wrenching Surface Flats: 1.000 INCHES NOMINAL IN; Thread Length: 0.281 INCHES NOMINAL IN; Style Designator: TRANSMITTER, 24V DC V. 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.