The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-155-4103, 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 Tylok International, Inc.. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-155-4103 |
| Primary Part Number | SS2-3TTM-2 |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tylok International, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL PIPE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES FIRST END IN |
| Leg Length | 0.937 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.937 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.718 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES THIRD END IN |
| Nominal Thread Size | 0.312 INCHES SECOND END IN |
| Seat Angle | 20.0 DEGREES SECOND END |
| Seat Angle | 20.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | NPT THIRD END |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| SS2-3TTM-2 PRIMARY | Tylok International, Inc. (USA) |
| 13153306-1 | Us Army Aviation and Missile Command (USA) |
| SS-200-3TTM PRIMARY | Swagelok Co (USA) |
| 2-2-2 SBZ-SS PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| Reference | Meaning |
|---|---|
| 13153306 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
NSN 4730-01-155-4103 is a Tee,pipe to Tube, manufactured by Tylok International, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-155-4103 has 4 manufacturer part numbers on file: SS2-3TTM-2 (Tylok International, Inc.), 13153306-1 (Us Army Aviation and Missile Command), SS-200-3TTM (Swagelok Co), 2-2-2 SBZ-SS (Parker-Hannifin Corporation Div Instrumentation Products Division).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-232-1018. Verify interchangeability with system specifications before substitution.
Key specifications for SS2-3TTM-2: Furnished Items and Quantity: 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: FLARELESS (TUBE) SECOND END. 26 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.