The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-301-8237, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-301-8237 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| MIL-G-18997 | 4/1 Identification reference U.S. Government activity |
| SG4MC4HPWRONAG | 5/1 Secondary reference U.S. Government activity |
NSN 6685-01-301-8237 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-301-8237: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Special Features: PRESSURE GAUGE DESIGN:SIMPLEX,TYPE OF PRESSURE:COMPOUND,DIAL SIZE:4.500,CASE DESIGN:FLUSH/SURFACE MOUNTED,ELASTIC ELEMENT MATERIAL:MONEL,ELASTIC ELEMENT STYLE:C/TYPE BOURDON TUBE(GEAR DRIVE),DIAL RANGE:0/400 PSI,DIAL COLOR:WHITE BACKGROUND DIAL WITH BLACK GRADUATIONS AND MARKINGS,PRESSURE CONNECTION:O-RING UNION,CONNECTION LOCATION:BOTTOM,LIQUID FILL:NONE,VIBRATION CATEGORY:A,CLEANING:SHALL BE PER MIL-STD-767,O-RING MATERIAL:BUNA N,CASE MATERIAL:ALUMINUM. 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.
NSN 6685-01-301-8237 has DEMIL Code F. 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.