The Transmitter,pressure, cataloged under National Stock Number 6685-01-644-5680, 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 Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-644-5680 |
| Primary Part Number | 12998652 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Overall Diameter | 1.125 INCHES NOMINAL IN |
| Voltage Rating | 9.0 VOLTS MINIMUM AND 32.0 VOLTS MAXIMUM INPUT |
| 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 |
|---|---|
| 12998652 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 12998652 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6685-01-644-5680 is a Transmitter,pressure, manufactured by Fairbanks Morse, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-644-5680 has 1 manufacturer part number on file: 12998652 (Fairbanks Morse, Llc).
Key specifications for 12998652: Overall Diameter: 1.125 INCHES NOMINAL IN; Overall Length: 3.4 INCHES NOMINAL IN; Special Features: RANGE 0-60 PSIG;2 WIRE 4-20 MAU OUTPUT; Part Name Assigned by Controlling Agency: PRESSURE TRANSDUCER. 2 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.