The Transmitter,pressure, cataloged under National Stock Number 6685-01-618-0301, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-618-0301 |
| Primary Part Number | 803-7526199 ITEM NO 165 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Method | BRACKET(S) |
| Mechanical Connection Type | THREAD |
| Measurement Range | -14.5 TO 360.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| 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 |
|---|---|
| 803-7526199 ITEM NO 165 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ZN2(-14.5 TO 360 PSIG)SEE SNF | 3/1 Design control — primary reference Standard Calibrations Inc |
| LD301-M41I-TU1S-010/H1/I1 | 3/1 Design control — primary reference Standard Calibrations Inc |
NSN 6685-01-618-0301 is a Transmitter,pressure, manufactured by Naval Sea Systems Command, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-618-0301 has 1 manufacturer part number on file: 803-7526199 ITEM NO 165 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 6685-01-618-3674, 6685-01-618-3688. Verify interchangeability with system specifications before substitution.
Key specifications for 803-7526199 ITEM NO 165: Mounting Method: BRACKET(S); Mechanical Connection Type: THREAD; Special Features: : 4-20MA; MATERIALS: O-RING POLYTETRAFLUOROETHYLENE, HUSING 316 SST; FILL FLUID SILICONE OIL; TOP DRAIN VENT; W/DIGITAL INDICATOR; Part Name Assigned by Controlling Agency: TRANSMITTER, GAGE PRESSURE. 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.