The Indicator,pressure, cataloged under National Stock Number 6685-01-415-4754, 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 Hughes Corp Div Weschler Electric. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-415-4754 |
| Primary Part Number | APM21C-01-03 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Hughes Corp Div Weschler Electric |
| Status | ACTIVE |
| Presentation Type | METER |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| 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 |
|---|---|
| R01D023-03/R01D105-TY 1 | Hughes Corp Div Weschler Electric (USA) |
| 211043503/211035407 | Naval Sea Systems Command (USA) |
| APM21C-01-03 PRIMARY | Hughes Corp Div Weschler Electric (USA) |
NSN 6685-01-415-4754 is a Indicator,pressure, manufactured by Hughes Corp Div Weschler Electric, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-415-4754 has 3 manufacturer part numbers on file: R01D023-03/R01D105-TY 1 (Hughes Corp Div Weschler Electric), 211043503/211035407 (Naval Sea Systems Command), APM21C-01-03 (Hughes Corp Div Weschler Electric).
Key specifications for APM21C-01-03: Presentation Type: METER; Display Type: LIGHT EMITTING DIODE (L.E.D.).. 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.