The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-708-1448, 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 Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems. Government technical data includes 8 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-708-1448 |
| Primary Part Number | STSS |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE THIRD END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | TEE |
| Nominal Coupling Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| STSS PRIMARY | Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems (USA) |
NSN 4730-01-708-1448 is a Tee,pipe to Tube, manufactured by Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-708-1448 has 1 manufacturer part number on file: STSS (Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems).
1 possible match (shared part number, not a government interchangeability claim): 1375-01-733-3606. Verify interchangeability with system specifications before substitution.
Key specifications for STSS: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE THIRD END. 8 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.