The Adapter-Cap,constan, cataloged under National Stock Number 1650-00-286-2229, 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 Pti Technologies Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-286-2229 |
| Primary Part Number | 7542890 |
| Item Name | Adapter-Cap,constan |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 2.000 IN. MAX DIA,2.125 IN. LG,CAP SECURED WITH PLASTICCOATED CABLE 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 |
| Part Number | Manufacturer |
|---|---|
| 7542890 | Pti Technologies Inc. (USA) |
| 56252 | Dutch Valley Supply Co. (USA) |
| Reference | Meaning |
|---|---|
| 57834 | 3/2 Design control — primary reference U.S. Government activity |
| 578734 | 3/9 Design control — primary reference U.S. Government activity |
| 1006-0001 | 5/2 Secondary reference U.S. Government activity |
| 56252 | 5/2 Secondary reference U.S. Government activity |
| 1006-001A | 5/2 Secondary reference U.S. Government activity |
| W23FD8-9 | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
NSN 1650-00-286-2229 is a Adapter-Cap,constan, manufactured by Pti Technologies Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-286-2229 has 2 manufacturer part numbers on file: 7542890 (Pti Technologies Inc.), 56252 (Dutch Valley Supply Co.).
3 possible matches (shared part number, not a government interchangeability claim): 5365-00-360-5383, 5365-00-528-5565, 6105-01-149-4210. Verify interchangeability with system specifications before substitution.
Key specifications for 7542890: General Characteristics Item Description: 2.000 IN. MAX DIA,2.125 IN. LG,CAP SECURED WITH PLASTICCOATED CABLE IN; Special Features: GAS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 56252 FSCM 99167; End Item Identification: 16502024424. 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 1650-00-286-2229 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.