The Reducer Body,tube, cataloged under National Stock Number 4730-00-152-9920, 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 Aerofit, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-152-9920 |
| Primary Part Number | 712598-91 |
| Item Name | Reducer Body,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aerofit, Llc |
| Status | ACTIVE |
| Second End Seat Angle in Deg | 37.0 |
| Working Temp and Service Type | 65.0 DEG FAHRENHEIT MINIMUM OIL AND 250.0 DEG FAHRENHEIT MAXIMUM OIL |
| First End Seat Angle in Deg | 37.0 |
| Tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Style Designator | REDUCER BODY |
| Thread Direction | RIGHT-HAND |
| Thread Size | 0.438-20 |
| Screw Thread Series Designator | UNF |
| Flange Width | 0.220 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 240 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 360 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 262 OR COPPER ALLOY 270 OR COPPER ALLOY 272 OR COPPER ALLOY 274 OR COPPER ALLOY 280 OR COPPER ALLOY 330 OR COPPER ALLOY 331 OR COPPER ALLOY 332 OR COPPER ALLOY 335 OR COPPER ALLOY 340 OR COPPER ALLOY 344 OR COPPER ALLOY 345 OR COPPER ALLOY 347 OR COPPER ALLOY 348 OR COPPER ALLOY 350 OR COPPER ALLOY 356 OR COPPER ALLOY 370 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 465 OR COPPER ALLOY 466 OR COPPER ALLOY 467 OR COPPER ALLOY 482 OR COPPER ALLOY 485 |
| Flange Outside Diameter | 0.682 INCHES NOMINAL IN |
| 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 |
|---|---|
| 712598-91 PRIMARY | Aerofit, Llc (USA) |
| 8-4TRTXB PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 712598-91 PRIMARY | Nelson Aero Space, Inc. (USA) |
| 712598-91 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 8-4TRTXB | 5/9 Secondary reference U.S. Government activity |
| 712598-91 | 5/9 Secondary reference B and L Products |
| 712598-91 | 5/9 Secondary reference United Supply Co Inc |
| 11240382-3 | 5/9 Secondary reference Ballistic Missile Defense Systems Command |
NSN 4730-00-152-9920 is a Reducer Body,tube, manufactured by Aerofit, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-152-9920 has 4 manufacturer part numbers on file: 712598-91 (Aerofit, Llc), 8-4TRTXB (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 712598-91 (Nelson Aero Space, Inc.), 712598-91 (Raytheon Company Div Rmd Strategic).
Key specifications for 712598-91: Second End Seat Angle in Deg: 37.0; Working Temp and Service Type: 65.0 DEG FAHRENHEIT MINIMUM OIL AND 250.0 DEG FAHRENHEIT MAXIMUM OIL; First End Seat Angle in Deg: 37.0; Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN. 12 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.