The Adapter,straight,flange to Flang, cataloged under National Stock Number 4730-00-212-5301, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-212-5301 |
| Item Name | Adapter,straight,flange to Flang |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Recess Nominal Depth | 0.375 INCHES ALL ENDS IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RECESSED WITH GASKET GROOVE ALL ENDS |
| Bolt Circle Nominal Diameter | 5.812 INCHES ALL ENDS IN |
| Nominal Overall Length | 26.000 INCHES IN |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 6.938 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Material | GUNMETAL FLANGE |
| Nominal Thickness | 0.688 INCHES ALL ENDS IN |
| Recess Nominal Diameter | 4.438 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3665-14REVDPC12T014 | 3/2 Design control — primary reference U.S. Government activity |
| 346-4801-484861PCE3 | 3/2 Design control — primary reference U.S. Government activity |
| 2765-48PCABA3 | 5/9 Secondary reference U.S. Government activity |
| 313-48-16PC1T03 | 3/2 Design control — primary reference U.S. Government activity |
| 571-4801-1302628REVDPC12T014 | 3/2 Design control — primary reference U.S. Government activity |
| 3365-02ALT1PCEFM3 | 5/9 Secondary reference U.S. Government activity |
| 3665-14 | D/9 Drawing number reference only U.S. Government activity |
| 2477-79PC1T03 | 5/9 Secondary reference U.S. Government activity |
| 2477-60PC1T03 | 5/9 Secondary reference U.S. Government activity |
| 435-4865-232032PC1T03 | 3/2 Design control — primary reference U.S. Government activity |
| 2765-26PCE3 | 5/9 Secondary reference U.S. Government activity |
| 3765-19REVAPC5T07 | 3/2 Design control — primary reference U.S. Government activity |
| 343-4801-484797PCABA3 | 3/2 Design control — primary reference U.S. Government activity |
| 319-4801-1188466ALT1PCEFM3 | 3/2 Design control — primary reference U.S. Government activity |
| 575-4801-1442847REVAPC5T07 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-212-5301 is a Adapter,straight,flange to Flang, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-212-5301: Recess Nominal Depth: 0.375 INCHES ALL ENDS IN; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RECESSED WITH GASKET GROOVE ALL ENDS; Bolt Circle Nominal Diameter: 5.812 INCHES ALL ENDS IN. 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.