The Transmitter,pressure, cataloged under National Stock Number 6685-01-146-0153, 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 Sensor Systems, L.l.c. Dba Sensor Systems Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Sensor Systems, L.l.c. Dba Sensor Systems Llc (CAGE 04454); The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-146-0153 |
| Primary Part Number | 53651-115 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Sensor Systems, L.l.c. Dba Sensor Systems Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 53651-115 PRIMARY | Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA) |
| 74B580183-127 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74B580183-115 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 53651-115 | 5/9 Secondary reference General Dynamics Motion Control Llc |
| BM5-1000-50 | 5/9 Secondary reference Kulite Semiconductor Products Inc |
NSN 6685-01-146-0153 is a Transmitter,pressure, manufactured by Sensor Systems, L.l.c. Dba Sensor Systems Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-146-0153 has 2 manufacturer part numbers on file: 53651-115 (Sensor Systems, L.l.c. Dba Sensor Systems Llc), 74B580183-127 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-297-1628. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6685-01-146-0153 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.