The Altimeter,pressurized Compartmen, cataloged under National Stock Number 6685-00-808-4358, 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 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-00-808-4358 |
| Item Name | Altimeter,pressurized Compartmen |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Contact Type | PIN |
| Scale Marking | LETTERS AND NUMERALS AND LINED INCREMENTS |
| Mechanical Connection Quantity | 1 |
| Scale Name | ALTITUDE |
| Electrical Connection Quantity | 1 |
| Electrical Connection Identifying Number | DM5600-3P OR EQUAL |
| Mounting Method | PANEL |
| Mechanical Connection Type | INTERNAL PIPE |
| Scale Marking Transparency | NONLUMINOUS |
| Mechanical Connection Size | 1/8 IN. IN |
| Contact Quantity | 3 |
| Pointer Quantity | 1 |
| Nondefinitive Spec/std Data | AAU-3/A TYPE |
| Connector Controlling Agency | DEUTSCH |
| Pointer Finish | NONLUMINOUS |
| Scale Smallest Increment Graduation | 1000 FT FT |
| 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 |
|---|---|
| MILA25933TYPEAAU3A | 4/1 Identification reference U.S. Government activity |
| CPAAU3A | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-00-808-4358 is a Altimeter,pressurized Compartmen, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-808-4358: Scale Quantity: 1; Overall Height: 2.370 INCHES NOMINAL IN; Contact Type: PIN; Scale Marking: LETTERS AND NUMERALS AND LINED INCREMENTS. 17 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.