The Seal,conical,flared Tube Fitting, cataloged under National Stock Number 4730-01-463-2433, 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 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-463-2433 |
| Primary Part Number | SECO 7C5 |
| 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 |
| Material Document and Classification | ALLOY 101 OR 110 ASSN STD SINGLE MATERIAL RESPONSE |
| Wall Thickness | 0.109 INCHES NOMINAL IN |
| Outside Diameter | 0.421 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN |
| Body Length | 0.750 INCHES MINIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | COPPER ALLOY 101 OR COPPER ALLOY 110 |
| Hose/tube Outside Diameter for Which Designed | 0.312 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 |
|---|---|
| SECO 7C5 PRIMARY | Seco Seals, Inc (USA) |
| Reference | Meaning |
|---|---|
| SECO7 | D/9 Drawing number reference only Seco Seals, Inc |
NSN 4730-01-463-2433 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 4730-01-463-2433 has 1 manufacturer part number on file: SECO 7C5 (Seco Seals, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-686-1623. Verify interchangeability with system specifications before substitution.
Key specifications for SECO 7C5: Seat Angle in Deg: 37.0; Style Designator: SEAL; Material Document and Classification: ALLOY 101 OR 110 ASSN STD SINGLE MATERIAL RESPONSE; Wall Thickness: 0.109 INCHES NOMINAL IN. 9 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.