The Tee,tube, cataloged under National Stock Number 4730-01-124-3722, 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 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-124-3722 |
| Primary Part Number | D11155A-080608 |
| Item Name | Tee,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 |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) THIRD END |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL BOSS THIRD END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Material Document and Classification | AMS 5656,TYPE 21-6-9 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.793 INCHES MINIMUM AND 0.823 INCHES MAXIMUM THIRD END IN |
| Leg Length | 1.278 INCHES MINIMUM AND 1.308 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.820 INCHES MINIMUM AND 1.850 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.719 INCHES THIRD END IN |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Thread Class | 3A THIRD END A |
| Thread Quantity Per Inch | 20 THIRD END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNJS THIRD END |
| 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 |
|---|---|
| D11155A-080608 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| H11155A-080608 | Aero Fastener Co Inc (USA) |
| Reference | Meaning |
|---|---|
| C7870 | D/9 Drawing number reference only U.S. Government activity |
| C7870-8-6-8 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-124-3722 is a Tee,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 4730-01-124-3722 has 2 manufacturer part numbers on file: D11155A-080608 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), H11155A-080608 (Aero Fastener Co Inc).
Key specifications for D11155A-080608: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) THIRD END; Connection Style: SOCKET (TUBE) SECOND END; Connection Style: SOCKET (TUBE) FIRST END. 22 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.