The Tee,tube, cataloged under National Stock Number 4730-01-366-9855, 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 Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-366-9855 |
| Primary Part Number | R45358T4-202020 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-L-46010 TY I MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) THIRD END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE THIRD END |
| Material Document and Classification | AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE AND MEPS 6060 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.606 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.606 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.216 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.578 INCHES THIRD END IN |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | LUBRICANT DRY FILM NUT |
| Thread Class | 3B THIRD END |
| Thread Quantity Per Inch | 14 THIRD END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS 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 |
|---|---|
| R45358T4-202020 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| R45358T4-202021 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| 07A355-202020 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AP3803T202021 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 07A355 | D/9 Drawing number reference only Te Connectivity Corporation Dba Raychem Product Division |
| 4PHS326-202020 | 5/9 Secondary reference Advanced Metal Components Inc |
| 07A355-202020 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| 4PHS326-20 | 3/9 Design control — primary reference Te Connectivity Corporation Dba Raychem Product Division |
NSN 4730-01-366-9855 is a Tee,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-366-9855 has 4 manufacturer part numbers on file: R45358T4-202020 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), R45358T4-202021 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), 07A355-202020 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AP3803T202021 (Sps Technologies, Llc Dba Airdrome Precision Components).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-387-7040, 4730-01-422-4116, 4730-01-446-1460. Verify interchangeability with system specifications before substitution.
Key specifications for R45358T4-202020: Surface Treatment Document and Classification: MIL-L-46010 TY I MIL SPEC SINGLE TREATMENT RESPONSE NUT; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) THIRD END. 20 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.