The Power Supply-Indicator,manometer, cataloged under National Stock Number 6685-01-507-7905, 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 Mks Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-507-7905 |
| Primary Part Number | PDR-C-1C |
| Item Name | Power Supply-Indicator,manometer |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mks Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | OPERATING VOLTAGE 117/234 P/M 15% 50-60 HZ;POWER SUPPLY OUTPUT P/M 15% VDC@600MA,MAX RIPPLE <10MV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PDR-C-1C PRIMARY | Mks Inc. (USA) |
| Reference | Meaning |
|---|---|
| PDR-C-1C | 5/9 Secondary reference Mks Instruments Inc |
NSN 6685-01-507-7905 is a Power Supply-Indicator,manometer, manufactured by Mks Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-507-7905 has 1 manufacturer part number on file: PDR-C-1C (Mks Inc.).
Key specifications for PDR-C-1C: General Characteristics Item Description: OPERATING VOLTAGE 117/234 P/M 15% 50-60 HZ;POWER SUPPLY OUTPUT P/M 15% VDC@600MA,MAX RIPPLE <10MV; Special Features: ONE CHANEL POWER SUPPLY READOUT FOR 1 PRESSURE SENSOR;OPERATING TEMPERATURE 0-50 DEG C,4.5 PLACE DISPLAY, 7 SEGMENT PLANAR,LED RED;WEIGHT 3.2 KG;METER ACCURACY .01% OF READING P/M 1 DIGIT;ZERO ADJUSTMENT RANGE P/M 1.5% FULL SCALE;SELECTABLE READOUT KG. 1 specification is 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.
NSN 6685-01-507-7905 has DEMIL Code Q. 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.