The Reducer,pipe, cataloged under National Stock Number 4730-01-661-9744, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-661-9744 |
| Primary Part Number | 13049240 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flange Shape | HEXAGON FIRST END BULKHEAD |
| Nominal Width Across Flats | 27.0 MILLIMETERS FIRST END BULKHEAD MM |
| Nominal Length | 19.0 MILLIMETERS FIRST END MM |
| Nominal Length | 37.0 MILLIMETERS SECOND END MM |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Seat Angle | 60.0 DEGREES FIRST END |
| Nominal Outside Diameter | 16.7 MILLIMETERS SECOND END MM |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Quantity Per Inch | 16 SECOND END |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 60223640 | Bae Systems Gcs International Ltd (GBR) |
| AMP 00 04 33246 | Bae Systems Gcs International Ltd (GBR) |
| 13049240 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 4730-01-661-9744 is a Reducer,pipe, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-661-9744 has 3 manufacturer part numbers on file: 60223640 (Bae Systems Gcs International Ltd), AMP 00 04 33246 (Bae Systems Gcs International Ltd), 13049240 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 13049240: Flange Shape: HEXAGON FIRST END BULKHEAD; Nominal Width Across Flats: 27.0 MILLIMETERS FIRST END BULKHEAD MM; Nominal Length: 19.0 MILLIMETERS FIRST END MM; Nominal Length: 37.0 MILLIMETERS SECOND END MM. 12 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.
NSN 4730-01-661-9744 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.