The Coupling,tube, cataloged under National Stock Number 4730-01-357-9594, 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 O J S Services Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-357-9594 |
| Primary Part Number | 4PHS113-06 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | O J S Services Inc |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Tubing Wall Nominal Thickness for Which Designed | 0.057 INCHES ALL ENDS IN |
| Nominal Overall Length | 2.694 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | PLAIN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.562 INCHES CENTER BULKHEAD IN |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A CENTER BULKHEAD A |
| Thread Quantity Per Inch | 20 CENTER BULKHEAD |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNJS CENTER 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 |
|---|---|
| 4PHS113-06 PRIMARY | O J S Services Inc (USA) |
| AAC4113-06 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| AP3700T06 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP1951T0606 | Aerofit, Llc (USA) |
| 07A356-06 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 4PHS113-06 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| 4PHS113-06 | 5/9 Secondary reference Advanced Metal Components Inc |
NSN 4730-01-357-9594 is a Coupling,tube, manufactured by O J S Services Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-357-9594 has 5 manufacturer part numbers on file: 4PHS113-06 (O J S Services Inc), AAC4113-06 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), AP3700T06 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP1951T0606 (Aerofit, Llc), 07A356-06 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for 4PHS113-06: Connection Style: PLAIN (TUBE) ALL ENDS; Tubing Wall Nominal Thickness for Which Designed: 0.057 INCHES ALL ENDS IN; Nominal Overall Length: 2.694 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 13 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.