The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-511-9984, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-511-9984 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.531 INCHES1.531 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END0.750 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END1.062 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END37.0 DEGREES FIRST END |
| Surface Treatment | CADMIUM INSIDECADMIUM INSIDE |
| Surface Treatment | CADMIUM OUTSIDECADMIUM OUTSIDE |
| Thread Class | 2B FIRST END2B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END12 FIRST END |
| Material | STEEL COMP 1016 OVERALL |
| Thread Series Designator | NPTF SECOND ENDNPTF SECOND END |
| Thread Series Designator | UN FIRST ENDUN 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 |
| Reference | Meaning |
|---|---|
| 8667 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-511-9984 is a Adapter,straight,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6685-00-526-6930, 5970-01-100-7411. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-511-9984: Connection Style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END; Nominal Overall Length: 1.531 INCHES1.531 INCHES IN; Connection Type: THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END. 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.