The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-434-7794, 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 Calgon Carbon Uv Technologies Llc Dba Hyde Marine. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-434-7794 |
| Primary Part Number | 29841 PIECE 2 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 4.000 INCHES SECOND END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 29841 PIECE 2 PRIMARY | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| Reference | Meaning |
|---|---|
| 29841 | 5/1 Secondary reference Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| 4-29941 | 5/9 Secondary reference Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
NSN 4730-01-434-7794 is a Adapter,straight,flange to Pipe, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-434-7794 has 1 manufacturer part number on file: 29841 PIECE 2 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-435-1878. Verify interchangeability with system specifications before substitution.
Key specifications for 29841 PIECE 2: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 10 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.