The Tee,boss, cataloged under National Stock Number 4730-01-727-6507, 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 Sae International Dba Sae International. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-727-6507 |
| Primary Part Number | AS4139V121206 |
| Item Name | Tee,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.890 INCHES ALL ENDS IN |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Surface Treatment Document and Classification | AMS2700 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END |
| Connection Style | FLARELESS (TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | TEE |
| Material Document and Classification | UNABLE TO DECODE |
| Material Document and Classification | AMS5659 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.560 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.003 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.398 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.5625 INCHES THIRD END IN |
| Nominal Thread Size | 1.0625 INCHES SECOND END IN |
| Nominal Thread Size | 1.0625 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter | 0.375 INCHES THIRD END IN |
| Nominal Outside Diameter | 0.750 INCHES FIRST END IN |
| Surface Treatment | UNABLE TO DECODE |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | UNABLE TO DECODE |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 18 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 |
|---|---|
| AS4139V121206 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS4139 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-727-6507 is a Tee,boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-727-6507 has 1 manufacturer part number on file: AS4139V121206 (Sae International Dba Sae International).
Key specifications for AS4139V121206: Nominal Width Across Flats: 0.890 INCHES ALL ENDS IN; Surface Treatment Document and Classification: UNABLE TO DECODE; Surface Treatment Document and Classification: AMS2700 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END. 27 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.