The Tee,tube to Boss, cataloged under National Stock Number 4730-01-281-1606, 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 Danfoss Power Solutions II, Llc. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-281-1606 |
| Primary Part Number | FF1865T-2424S |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Connection Style | GASKET SEAL (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES THIRD END IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.590 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.920 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.920 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Nominal Thread Size | 2.000 INCHES THIRD END IN |
| Nominal Thread Size | 1.875 INCHES SECOND END IN |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | UN 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 |
|---|---|
| FF1865T-2424S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 7-447-242405 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| 24R5OLO-S | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 24R5OLO-S | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-281-1606 is a Tee,tube to Boss, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-281-1606 has 2 manufacturer part numbers on file: FF1865T-2424S (Danfoss Power Solutions II, Llc), 7-447-242405 (Grove U.s. Llc Dba Grove Us Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-663-3220. Verify interchangeability with system specifications before substitution.
Key specifications for FF1865T-2424S: Furnished Items and Quantity: 1 PREFORMED PACKING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Connection Style: GASKET SEAL (TUBE) THIRD END. 22 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.