The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-184-4480, 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13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-184-4480 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 0.312 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | SOCKET BRAZING RING (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 4.812 INCHES SECOND END IN |
| Nominal Overall Length | 2.812 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | FLANGE SECOND END |
| Bolt Hole Nominal Diameter | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter | 6.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 6 SECOND END |
| Material | COPPER ALLOY OVERALL |
| Nominal Thickness | 0.938 INCHES SECOND END 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 |
|---|---|
| 845 2181252 PIECE 3 | 5/2 Secondary reference U.S. Government activity |
| 2620-929X3 | D/9 Drawing number reference only U.S. Government activity |
| 845 2181252 | D/9 Drawing number reference only U.S. Government activity |
| 2620-929X3 PIECE 3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-184-4480 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-209-5772. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-184-4480: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 0.312 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END; Connection Style: SOCKET BRAZING RING (PIPE) FIRST END. 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.