The Indicator,bypass, cataloged under National Stock Number 5825-01-256-7584, is classified within Federal Supply Class 5825 (Radio Navigation Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5825-01-256-7584 |
| Primary Part Number | RC855ULO57Y2 |
| Item Name | Indicator,bypass |
| FSC / FSG | 5825 / 58 — Radio Navigation Equipment, Except Airborne |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| FSC Application Data | FILTER,DIRECTION FINDER |
| General Characteristics Item Description | INDICATOR ACTUATES AT DIFFERENTIAL PRESSURE RANGE OF 23.8 TO 32.2 PSI,INDICATOR BUTTON(RED) RISES 0.187 IN WHEN ACTUATED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| RC855ULO57Y2 | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 214-040-810-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5825-01-256-7584 is a Indicator,bypass, manufactured by Pall Aeropower Corporation, classified under FSC 5825, Radio Navigation Equipment, Except Airborne. Status: active.
NSN 5825-01-256-7584 has 1 manufacturer part number on file: RC855ULO57Y2 (Pall Aeropower Corporation).
Key specifications for RC855ULO57Y2: FSC Application Data: FILTER,DIRECTION FINDER; General Characteristics Item Description: INDICATOR ACTUATES AT DIFFERENTIAL PRESSURE RANGE OF 23.8 TO 32.2 PSI,INDICATOR BUTTON(RED) RISES 0.187 IN WHEN ACTUATED IN; End Item Identification: H-1 HELICOPTER. 2 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 5825-01-256-7584 has DEMIL Code D. 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.