The Altimeter,pressure, cataloged under National Stock Number 6610-00-856-5541, is classified within Federal Supply Class 6610 (Flight 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6610-00-856-5541 |
| Item Name | Altimeter,pressure |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Status | ACTIVE |
| Scale Quantity | 2 |
| Scale Marking | LETTERS AND NUMERALS AND LINED INCREMENTS |
| Mechanical Connection Quantity | 1 |
| Scale Name | ALTITUDE AND BAROMETRIC PRESSURE |
| Knob Purpose | FOR SETTING BAROMETRIC SCALE |
| Mounting Method | PANEL |
| Mechanical Connection Type | INTERNAL PIPE |
| Criticality Code Justification | AGAV |
| Scale Marking Transparency | NONLUMINOUS |
| Mechanical Connection Size | 1/8 IN. IN |
| Pointer Quantity | 2 |
| Pointer Color | WHITE |
| Pointer Finish | NONLUMINOUS |
| Knob Quantity | 1 |
| Scale Smallest Increment Graduation | 20.000 FT; 0.020 IN. MERCURY IN |
| Reference Number Differentiating Characteristics | ASPG,PER ACFT INSTRUMENT BULLETIN 2-59 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| A80MBA | 3/1 Design control — primary reference U.S. Government activity |
NSN 6610-00-856-5541 is a Altimeter,pressure, classified under FSC 6610, Flight Instruments. Status: active.
Key specifications for 6610-00-856-5541: Scale Quantity: 2; Overall Height: 3.250 INCHES NOMINAL IN; Scale Marking: LETTERS AND NUMERALS AND LINED INCREMENTS; Mechanical Connection Quantity: 1. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6610-00-856-5541 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.