The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-451-2677, 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 Chicago Fittings. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-451-2677 |
| Primary Part Number | R600-12 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Chicago Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END0.750 INCHES SECOND END IN |
| Connection Style | PLAIN (TUBE) FIRST ENDPLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.515 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE SECOND ENDTHREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Operating Pressure | 1800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES SECOND END0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.312 INCHES FIRST END1.312 INCHES FIRST END IN |
| Surface Treatment | CADMIUM OUTSIDE |
| Surface Treatment | CADMIUM OUTSIDECADMIUM INSIDE |
| Thread Class | 2A FIRST END2A FIRST END A |
| Thread Quantity Per Inch | 14 FIRST END14 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | NPTF SECOND ENDUNS 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 |
|---|---|
| R600-12 PRIMARY | Chicago Fittings (USA) |
NSN 4730-00-451-2677 is a Adapter,straight,pipe to Tube, manufactured by Chicago Fittings, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-451-2677 has 1 manufacturer part number on file: R600-12 (Chicago Fittings).
Key specifications for R600-12: Furnished Items and Quantity: 1 SHORT COUPLING NUT; Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END0.750 INCHES SECOND END IN; Connection Style: PLAIN (TUBE) FIRST ENDPLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END. 18 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.