The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-286-4724, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-286-4724 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| FSC Application Data | BUOYANT CABLE ANT OP GR SHEAR VLV |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.281 INCHES SECOND END IN |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Nominal Outside Diameter Tube Accommodated | 1.900 INCHES SECOND END IN |
| Nominal Outside Diameter | 8.760 INCHES FIRST END IN |
| Bolt Hole Quantity | 10 FIRST END |
| Material | NICKEL ALLOY FLANGE |
| Material | NICKEL ALLOY TUBE |
| Nominal Thickness | 1.250 INCHES FIRST END IN |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 409-4687773 ITEM 11 | 3/1 Design control — primary reference U.S. Government activity |
| 87683-4305 ITEM 11 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-286-4724 is a Adapter,straight,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-286-4724: Flange Shape: ROUND WITH HOLES FIRST END; FSC Application Data: BUOYANT CABLE ANT OP GR SHEAR VLV; Flange Face Design: PLAIN FIRST END; Connection Style: PLAIN (TUBE) SECOND END. 16 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.