The Seal,conical,flared Tube Fitting, cataloged under National Stock Number 4730-01-063-2644, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Del Aerospace Inc Dba Del Aerospace Inc. The record lists 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal,conical,flared Tube Fitting |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Del Aerospace Inc Dba Del Aerospace Inc (CAGE 64162); Triumph Thermal Systems, Llc (CAGE 78943); Sps Technologies, Llc Dba Airdrome Precision Components (CAGE 01673) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-063-2644 |
| Primary Part Number | DY90-N-48 |
| Item Name | Seal,conical,flared Tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Del Aerospace Inc Dba Del Aerospace Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| DY90-N-48 PRIMARY | Del Aerospace Inc Dba Del Aerospace Inc (USA) |
| VSF1015N48B PRIMARY | Triumph Thermal Systems, Llc (USA) |
| DY90 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| VSF1015N48B | 5/9 Secondary reference U.S. Government activity |
| VSF1015 | D/9 Drawing number reference only U.S. Government activity |
| VSF1015N48B | 5/9 Secondary reference U.S. Government activity |
| VSF1015N48B | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc Div Rosan / Eagle Products |
| DY90 | D/9 Drawing number reference only Del Aerospace Inc Dba Del Aerospace Inc |
| VSF1015 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-063-2644 is a Seal,conical,flared Tube Fitting, manufactured by Del Aerospace Inc Dba Del Aerospace Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-063-2644 has 3 manufacturer part numbers on file: DY90-N-48 (Del Aerospace Inc Dba Del Aerospace Inc), VSF1015N48B (Triumph Thermal Systems, Llc), DY90 (Sps Technologies, Llc Dba Airdrome Precision Components).
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 4730-01-063-2644 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.