The Coupling,tube, cataloged under National Stock Number 4730-01-454-0160, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-454-0160 |
| Primary Part Number | DPL3584T20 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | SWAGED W/ GROOVES (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.045 INCHES FIRST END IN |
| Nominal Overall Length | 3.881 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | SWAGED AND THREADED EXTERNAL |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | AMS4965 ASSN STD SINGLE MATERIAL RESPONSE FOLLOWER RING |
| Nominal Outside Diameter Tube Accommodated | 1.254 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Nominal Thread Size | 1.625 INCHES SECOND END BULKHEAD IN |
| Seat Angle | 12.4 DEGREES SECOND END |
| Thread Class | 3A SECOND END BULKHEAD A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END BULKHEAD |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END BULKHEAD |
| 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 |
|---|---|
| DPL3584T20 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| 7D0449T20 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-454-0160 is a Coupling,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-454-0160 has 1 manufacturer part number on file: DPL3584T20 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
Key specifications for DPL3584T20: Connection Style: FLARELESS (TUBE) SECOND END; Connection Style: SWAGED W/ GROOVES (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.045 INCHES FIRST END IN; Nominal Overall Length: 3.881 INCHES IN. 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.