The Transmitter,pressure, cataloged under National Stock Number 6685-01-583-4518, 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 Johnson Controls Government Systems, Llc Dba Johnson Controls Inc. Government technical data includes 3 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 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 | 6685-01-583-4518 |
| Primary Part Number | P499RCP105C |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Johnson Controls Government Systems, Llc Dba Johnson Controls Inc |
| Status | ACTIVE |
| Current Type | DC |
| Usage Design | REFRIGERATION AND AIR CONDITIONING APPLICATIONS |
| Voltage Rating | 0.5 VOLTS MINIMUM AND 4.5 VOLTS MAXIMUM OUTPUT |
| 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 |
|---|---|
| P499RCP105C PRIMARY | Johnson Controls Government Systems, Llc Dba Johnson Controls Inc (USA) |
NSN 6685-01-583-4518 is a Transmitter,pressure, manufactured by Johnson Controls Government Systems, Llc Dba Johnson Controls Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-583-4518 has 1 manufacturer part number on file: P499RCP105C (Johnson Controls Government Systems, Llc Dba Johnson Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 6695-01-679-5478. Verify interchangeability with system specifications before substitution.
Key specifications for P499RCP105C: Current Type: DC; Part Name Assigned by Controlling Agency: ELECTRONIC PRESSURE TRANSDUCERS; End Item Identification: 4110-01534-7675 MOBILE INT COLL SYS; Usage Design: REFRIGERATION AND AIR CONDITIONING APPLICATIONS. 3 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.