The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-116-3422, 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 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-116-3422 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 81667 | 3/2 Design control — primary reference U.S. Government activity |
| 81667 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 81667 | 5/1 Secondary reference Drs Environmental Systems Inc |
| 148898 | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
NSN 6685-01-116-3422 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5365-01-220-9640, 2510-01-327-3312, 5340-01-344-6347. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-116-3422: Scale Name: PRESSURE; Scale Type: SINGLE; Connector Type Vent: NOT PROVIDED; End Item Identification: SUPPORT EQUIPMENT,B-52 AIRCRAFT; F-4 AIRCRAFT; H-1 AIRCRAFT. 3 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.