The Altimeter,pressurized Compartmen, cataloged under National Stock Number 6685-00-853-3488, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-853-3488 |
| Primary Part Number | CP1AAU3A |
| Item Name | Altimeter,pressurized Compartmen |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Aerosonic Llc |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | AAU-3A/A TYPE A |
| Scale Marking | LETTERS AND NUMERALS AND LINED INCREMENTS |
| Contact Type | PIN |
| Mechanical Connection Quantity | 1 |
| Specification/standard Data | 81349-MIL-A-25933 GOVERNMENT SPECIFICATION AND 98810-24194 MANUFACTURERS SPECIFICATION |
| Scale Quantity | 1 |
| Scale Marking Transparency | NONLUMINOUS |
| Pointer Color | WHITE |
| Nonluminous Scale Marking and Color | LINED INCREMENTS WHITE |
| Mechanical Connection Size | 7/16-20 UNF PER MS33649-4 |
| Scale Name | CABIN PRESSURE ALTITUDE |
| Electrical Connection Identifying Number | DM5600-3P OR EQUIVALENT |
| Mechanical Connection Type | INTERNAL UNF BOSS |
| Overall Diameter | 2.180 INCHES NOMINAL IN |
| Mounting Method | THREADED BEZEL |
| Nonluminous Scale Marking and Color | NUMERALS WHITE |
| Scale Smallest Increment Graduation | 1000 FEET FT |
| Nonluminous Scale Marking and Color | LETTERS WHITE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-853-3488 is a Altimeter,pressurized Compartmen, manufactured by Aerosonic Llc, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-853-3488 has 3 cross-referenced part numbers: CP1AAU3A (Aerosonic Llc), AAU-3/A (Joint Electronics Type Designation System), MILA25933 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 4 known substitutes for 6685-00-853-3488: 6685-00-148-9729, 6685-00-226-5700, 6685-00-725-9117 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for CP1AAU3A: Overall Height: 2.375 INCHES NOMINAL IN; Overall Depth: 1.750 INCHES NOMINAL IN; Nondefinitive Spec/std Data: AAU-3A/A TYPE A; Scale Marking: LETTERS AND NUMERALS AND LINED INCREMENTS. 23 total characteristics are documented in the Federal Logistics Information System.