The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-01-435-4687, 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 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-435-4687 |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Head Height | 0.370 INCHES NOMINAL IN |
| Connection Style | FLARED |
| Style Designator | PLUG, TUBE FITTING FLARED (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC) |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Thread Direction | RIGHT-HAND INTERNAL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.312 INCHES INTERNAL IN |
| Nominal Thread Size | 1.312 INCHES EXTERNAL IN |
| Maximum Operating Temp | 225.0 FAHRENHEIT DEGF |
| Media for Which Designed | HYDRAULIC FLUID |
| Thread Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 12 EXTERNAL |
| Thread Quantity Per Inch | 12 INTERNAL |
| Material | TITANIUM ALLOY BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) EXTERNAL |
| 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 |
|---|---|
| AN806-T16 | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-01-435-4687 is a Plug,tube Fitting,threaded, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-435-4687: Head Height: 0.370 INCHES NOMINAL IN; Connection Style: FLARED; Style Designator: PLUG, TUBE FITTING FLARED (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC); Overall Length: 1.281 INCHES NOMINAL IN. 15 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.