The Altimeter,dual Pressure,pressuri, cataloged under National Stock Number 6685-01-074-2759, 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 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-074-2759 |
| Item Name | Altimeter,dual Pressure,pressuri |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Quantity | 3 |
| Contact Type | MALE PIN |
| Scale Marking | NUMERALS AND LINED INCREMENTS |
| Scale Name | CABIN PRESSURE ALTITUDE |
| Electrical Connection Quantity | 1 |
| Overall Diameter | 2.875 INCHES NOMINAL IN |
| Knob Purpose | INCREASE RATE; ADJUST POINTERS |
| Mounting Method | BOLT CLAMP |
| Scale Marking Transparency | NONLUMINOUS |
| Contact Quantity | 10 |
| Nonluminous Scale Marking and Color | LINED INCREMENTS WHITE |
| Pointer Quantity | 2 |
| Pointer Color | WHITE |
| Pointer Finish | NONLUMINOUS |
| Knob Quantity | 2 |
| Scale Smallest Increment Graduation | FIRST .10, SECOND 1 THIRD .20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 13300-020 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-074-2759 is a Altimeter,dual Pressure,pressuri, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-074-2759: Scale Quantity: 3; Contact Type: MALE PIN; Scale Marking: NUMERALS AND LINED INCREMENTS; Scale Name: CABIN PRESSURE ALTITUDE. 16 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 6685-01-074-2759 has DEMIL Code B. 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.