The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-663-6816, 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 Mid-West Instrument Co. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-663-6816 |
| Primary Part Number | 120-SA-06-O RANGE 0-100 PSID |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mid-West Instrument Co |
| Status | ACTIVE |
| Scale Accuracy | PLUS OR MINUS 3 PERCENT |
| Scale Name | PRESSURE |
| Scale Range | +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Scale Name for Which Pointer Is Designed | DIFFERENTIAL PRESSURE |
| Pointer Type | INDICATING |
| Scale Type | PLASTIC |
| Dial Size | 2.5 INCHES IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | STEEL COMP 316 CASE |
| Connection Size | 0.44 INCHES IN |
| 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 |
|---|---|
| 120-SA-06-O RANGE 0-100 PSID PRIMARY | Mid-West Instrument Co (USA) |
NSN 6685-01-663-6816 is a Gage,differential,dial Indicatin, manufactured by Mid-West Instrument Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-663-6816 has 1 manufacturer part number on file: 120-SA-06-O RANGE 0-100 PSID (Mid-West Instrument Co).
Key specifications for 120-SA-06-O RANGE 0-100 PSID: Scale Accuracy: PLUS OR MINUS 3 PERCENT; Scale Name: PRESSURE; Scale Range: +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS; Material Document and Classification: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE CASE. 12 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.