The Transmitter,pressure, cataloged under National Stock Number 6685-01-617-7870, 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 Smar International Corporation. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-617-7870 |
| Primary Part Number | LD301-M41I-VU1S-010/I1/H1/ZN2 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Smar International Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 16037524 | Standard Calibrations Inc (USA) |
| LD301-M41I-VU1S-010/I1/H1/ZN2 | Standard Calibrations Inc (USA) |
| LD301-M41I-VU1S-010/I1/H1/ZN2 PRIMARY | Smar International Corporation (USA) |
| 803-7526199 ITEM NO 66 | Naval Sea Systems Command (USA) |
| LD301-M41I-VU1S-010/I1/H1 | Standard Calibrations Inc (USA) |
| Reference | Meaning |
|---|---|
| ZN2(-14.5 TO 360 PSIG) | 5/1 Secondary reference Standard Calibrations Inc |
NSN 6685-01-617-7870 is a Transmitter,pressure, manufactured by Smar International Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-617-7870 has 5 manufacturer part numbers on file: 16037524 (Standard Calibrations Inc), LD301-M41I-VU1S-010/I1/H1/ZN2 (Standard Calibrations Inc), LD301-M41I-VU1S-010/I1/H1/ZN2 (Smar International Corporation), 803-7526199 ITEM NO 66 (Naval Sea Systems Command), LD301-M41I-VU1S-010/I1/H1 (Standard Calibrations Inc).
5 possible matches (shared part number, not a government interchangeability claim): 6685-01-618-0206, 6685-01-618-3674, 6685-01-618-3688. Verify interchangeability with system specifications before substitution.
Key specifications for LD301-M41I-VU1S-010/I1/H1/ZN2: Special Features: : DIAPHRAGM MATERIAL: SST; O-RING MATERIAL: VITON; HOUSING: SST; FILL FLUID: SILICONE OIL; VENT ON TOP; W/DIGITAL INDICATOR; Part Name Assigned by Controlling Agency: TRANSMITTER, GAGE PRESSURE; End Item Identification: TRANSDUCER ST. 0 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.