The Bend,tube,return, cataloged under National Stock Number 4730-00-472-7381, 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 Amec Foster Wheeler North America Corp. Dba Foster Wheeler. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-472-7381 |
| Primary Part Number | M745-179-MK31 |
| Item Name | Bend,tube,return |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| Status | ACTIVE |
| Connection Style | BEVELED (TUBE) ALL ENDS |
| Tubing Wall Nominal Thickness for Which Designed | 0.150 INCHES ALL ENDS IN |
| Connection Type | BUTT WELD TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Leg Length | 3.500 INCHES NOMINAL ALL ENDS IN |
| Material | STEEL OVERALL |
| Bend Center to Center Nominal Distance | 5.000 INCHES 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 |
|---|---|
| 95559697-CPC31 | Riley Stoker Corp Sub of United States Riley Corp (USA) |
| M745-179-MK31 PRIMARY | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| Reference | Meaning |
|---|---|
| 955-596-97BPC31 | 5/9 Secondary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| 955-596-97-31 | 5/9 Secondary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| 955-596-97B31 | 5/9 Secondary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
NSN 4730-00-472-7381 is a Bend,tube,return, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-472-7381 has 2 manufacturer part numbers on file: 95559697-CPC31 (Riley Stoker Corp Sub of United States Riley Corp), M745-179-MK31 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
Key specifications for M745-179-MK31: Connection Style: BEVELED (TUBE) ALL ENDS; Tubing Wall Nominal Thickness for Which Designed: 0.150 INCHES ALL ENDS IN; Connection Type: BUTT WELD TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 1.500 INCHES ALL ENDS IN. 7 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.