The Nipple,tube, cataloged under National Stock Number 4730-01-244-3558, 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 Tube Fittings Division. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-244-3558 |
| Primary Part Number | 8WTX-B |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 2.440 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE CENTER BULKHEAD |
| Style Designator | FLARED W/ BULKHEAD THREAD |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES CENTER BULKHEAD IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 2A CENTER BULKHEAD A |
| Thread Class | 2A ALL ENDS A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF CENTER BULKHEAD |
| 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 |
|---|---|
| 712598-181 | Raytheon Company Div Rmd Strategic (USA) |
| 8WTX-B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 8WTX-B | 5/9 Secondary reference U.S. Government activity |
| 712598-176/188 | D/9 Drawing number reference only Raytheon Company Div Rmd Strategic |
| 4017-8B | 5/9 Secondary reference Western Manufacturing Co Llc Dba Western Manufacturing |
NSN 4730-01-244-3558 is a Nipple,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-244-3558 has 2 manufacturer part numbers on file: 712598-181 (Raytheon Company Div Rmd Strategic), 8WTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 8WTX-B: Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 2.440 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Connection Type: THREADED EXTERNAL TUBE CENTER BULKHEAD. 14 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.