The Seal,conical,flared Tube Fitting, cataloged under National Stock Number 4730-01-092-3272, 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 Seco Seals, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-092-3272 |
| Primary Part Number | SECO7A4 |
| Item Name | Seal,conical,flared Tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Seco Seals, Inc |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 |
| Style Designator | SEAL |
| Wall Thickness | 0.005 INCHES NOMINAL IN |
| Outside Diameter | 0.354 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| Body Length | 0.073 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | ALUMINUM ALLOY 1100 |
| Hose/tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SECO7A4 PRIMARY | Seco Seals, Inc (USA) |
| DY90-A-4 | Shefford-Meade Inc, Judith M. Wayne, Walter Herbster (USA) |
| DY90-A-4 PRIMARY | Del Aerospace Inc Dba Del Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| DY90 | D/9 Drawing number reference only Del Aerospace Inc Dba Del Aerospace Inc |
| 581R609H03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-092-3272 is a Seal,conical,flared Tube Fitting, manufactured by Seco Seals, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-092-3272 has 3 manufacturer part numbers on file: SECO7A4 (Seco Seals, Inc), DY90-A-4 (Shefford-Meade Inc, Judith M. Wayne, Walter Herbster), DY90-A-4 (Del Aerospace Inc Dba Del Aerospace Inc).
Key specifications for SECO7A4: Seat Angle in Deg: 37.0; Style Designator: SEAL; Wall Thickness: 0.005 INCHES NOMINAL IN; Outside Diameter: 0.354 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN. 8 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.
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.