The Seal,stationary, cataloged under National Stock Number 1650-00-439-9429, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-439-9429 |
| Item Name | Seal,stationary |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AMS6440,HARDNESS ROCKWELL C60-64,OD,1.718 IN.,LG0.765 IN. STEP BORE DIA 1.000 IN. TO 1.622 IN. END SEALING SURFACELAPPED 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 |
|---|---|
| 687648 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-439-9429 is a Seal,stationary, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-439-9429: General Characteristics Item Description: STEEL AMS6440,HARDNESS ROCKWELL C60-64,OD,1.718 IN.,LG0.765 IN. STEP BORE DIA 1.000 IN. TO 1.622 IN. END SEALING SURFACELAPPED 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.
NSN 1650-00-439-9429 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.