The Indicator Assembly,differential, cataloged under National Stock Number 1650-01-142-4291, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-142-4291 |
| Primary Part Number | TC057UH096 |
| Item Name | Indicator Assembly,differential |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | RED INDICATOR BUTTON RISES 3/16 IN. WHEN ACTUATED,70.0 PSI ACTUATION PRESSURE,MANUAL RESET; OPERATING TEMP RATING MINUS 65.0 DEG F TO PLUS 275.0 DEG F; 1.778 IN. O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| TC057UH096 | The Boeing Company Div Defense (USA) |
| TC057UH096 PRIMARY | Pall Aeropower Corporation (USA) |
| TC057UH096 | The Boeing Company Div Services (USA) |
NSN 1650-01-142-4291 is a Indicator Assembly,differential, manufactured by Pall Aeropower Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-142-4291 has 3 manufacturer part numbers on file: TC057UH096 (The Boeing Company Div Defense), TC057UH096 (Pall Aeropower Corporation), TC057UH096 (The Boeing Company Div Services).
Key specifications for TC057UH096: General Characteristics Item Description: RED INDICATOR BUTTON RISES 3/16 IN. WHEN ACTUATED,70.0 PSI ACTUATION PRESSURE,MANUAL RESET; OPERATING TEMP RATING MINUS 65.0 DEG F TO PLUS 275.0 DEG F; 1.778 IN. O/A LG IN. 1 specification is 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.
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.