The Plug,pressure Regulator, cataloged under National Stock Number 1650-01-065-6604, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-01-065-6604 |
| Item Name | Plug,pressure Regulator |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | CRES 17-4 PH AMS5643,PASSIVATE,1.285 IN. LG,0.547 IN. MIN 0.548 IN. MAX DIA 1ST END,0.664 IN. DIA 2ND END0.270 IN. DIA BODY 0.765 IN. LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3151-705 | 3/2 Design control — primary reference U.S. Government activity |
| 3151-705 | 3/9 Design control — primary reference Woodward Hrt, Inc. Dba Woodward Hrt Inc |
NSN 1650-01-065-6604 is a Plug,pressure Regulator, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-065-6604: General Characteristics Item Description: CRES 17-4 PH AMS5643,PASSIVATE,1.285 IN. LG,0.547 IN. MIN 0.548 IN. MAX DIA 1ST END,0.664 IN. DIA 2ND END0.270 IN. DIA BODY 0.765 IN. LG IN; End Item Identification: ACTUATOR,SERVO HYDRAULIC P/N 3U3156-5E,F/TF15 ACFT. 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.
NSN 1650-01-065-6604 has DEMIL Code Q. 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.