The Guide Assembly Piston Detent, cataloged under National Stock Number 1650-01-254-4549, 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 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-254-4549 |
| Item Name | Guide Assembly Piston Detent |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS |
| General Characteristics Item Description | CONSIST OF GUIDE PISTON DETENT 1,ROLLER SPHERICAL 2,SHAFT ROLLER 2;DIMENSIONS IN INCHES;2.070 LONG;0.950 HEAD DIAMETER BY 0.062 LONG,0.698 FIRST STEP DIAMETER BY 0.146 LONG,STEM DIAMETER 0.517;MATERIAL 4130 STEEL PER MIL-S-6758,HEAT TREAT ROCKWELL C 34-38 PER MIL-H-6875 |
| 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 |
|---|---|
| 3867041-1 | 5/9 Secondary reference U.S. Government activity |
| 3867041-1 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 3867041-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-254-4549 is a Guide Assembly Piston Detent, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-254-4549: FSC Application Data: AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS; General Characteristics Item Description: CONSIST OF GUIDE PISTON DETENT 1,ROLLER SPHERICAL 2,SHAFT ROLLER 2;DIMENSIONS IN INCHES;2.070 LONG;0.950 HEAD DIAMETER BY 0.062 LONG,0.698 FIRST STEP DIAMETER BY 0.146 LONG,STEM DIAMETER 0.517;MATERIAL 4130 STEEL PER MIL-S-6758,HEAT TREAT ROCKWELL C 34-38 PER MIL-H-6875; End Item Identification: F-15 AIRCRAFT. 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 1650-01-254-4549 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.