The Tee,tube to Boss, cataloged under National Stock Number 4730-01-512-8773, 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 Johnson Controls Navy Systems, Llc. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-512-8773 |
| Primary Part Number | 377-05581-000 ITEM 64 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 PREFORMED PACKING AND 2 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | GASKET SEAL (TUBE) SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) THIRD END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL BOSS THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.187 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Specification/standard Data | 66935-R807 MANUFACTURERS STANDARD |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 023-19344 | Johnson Controls Navy Systems, Llc (USA) |
| 377-05581-000 ITEM 64 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
NSN 4730-01-512-8773 is a Tee,tube to Boss, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-512-8773 has 2 manufacturer part numbers on file: 023-19344 (Johnson Controls Navy Systems, Llc), 377-05581-000 ITEM 64 (Johnson Controls Navy Systems, Llc).
Key specifications for 377-05581-000 ITEM 64: Furnished Items and Quantity: 3 PREFORMED PACKING AND 2 TUBE COUPLING NUT W/SLEEVE; Connection Style: GASKET SEAL (TUBE) SECOND END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) THIRD END; Connection Style: GASKET SEAL (TUBE) FIRST END. 16 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.