The Lateral,tube, cataloged under National Stock Number 4730-01-003-3993, 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 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-003-3993 |
| Item Name | Lateral,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) THIRD END |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | DOUBLE BRANCHED |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 2.750 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.750 INCHES MINIMUM AND 1.812 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.750 INCHES MINIMUM AND 1.812 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.625 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | FLUID SECOND RESPONSE |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Material | COPPER ALLOY OR COPPER OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 803-0370 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-003-3993 is a Lateral,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-003-3993: Connection Style: PLAIN (TUBE) THIRD END; Connection Style: FLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 21 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.