The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-068-1369, 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 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-068-1369 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Face Design | PLAIN WITH GASKET GROOVE SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Length | 4.500 INCHES SECOND END IN |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.531 INCHES SECOND END IN |
| Nominal Thread Size | 2.500 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 4.281 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 3.500 INCHES SECOND END IN |
| Material | IRON OVERALL |
| Thread Series Designator | NPTF FIRST END |
| Nominal Thickness | 1.468 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 |
|---|---|
| W43-40-40 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-068-1369 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): 4730-01-206-0253. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-068-1369: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Face Design: PLAIN WITH GASKET GROOVE SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Length: 4.500 INCHES SECOND END IN. 16 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.