The Tee,tube to Boss, cataloged under National Stock Number 4730-01-074-4604, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 28 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-074-4604 |
| Primary Part Number | 1-02157D5 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.000 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.250 INCHES NOMINAL THIRD END IN |
| Reduced Passage Nominal Inside Diameter | 0.297 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES THIRD END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END BULKHEAD IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B SECOND END |
| Thread Class | 3B SECOND END BULKHEAD |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Thread Series Designator | UNF 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 |
|---|---|
| 1-02157D5 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| C2762 | 5/2 Secondary reference U.S. Government activity |
| AP7559D060406 | 5/1 Secondary reference Sps Technologies, Llc Dba Airdrome Precision Components |
| C2762D5 | 5/2 Secondary reference U.S. Government activity |
| 16H2511 | D/9 Drawing number reference only U.S. Government activity |
| AFP2557D5 | 5/1 Secondary reference Aerofit, Llc |
NSN 4730-01-074-4604 is a Tee,tube to Boss, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-074-4604 has 1 manufacturer part number on file: 1-02157D5 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 1-02157D5: Connection Style: FLARED (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) THIRD END; Connection Type: THREADED EXTERNAL TUBE SECOND END BULKHEAD. 28 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.