The Coupling,pipe, cataloged under National Stock Number 4730-01-640-7624, 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 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-640-7624 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.0 INCHES ALL ENDS IN |
| Connection Style | INVERTED FLARE (PIPE) ALL ENDS |
| Nominal Overall Length | 2.15 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | RIGID, THREADED INTERNAL AND EXTERNAL |
| Material Document and Classification | ASTM-A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Nominal Thread Size | 1.0 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 11.5 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| 6743963-002 | 5/2 Secondary reference U.S. Government activity |
| 16-16PAC-SS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-640-7624 is a Coupling,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-640-7624: Nominal Pipe Size Accommodated: 1.0 INCHES ALL ENDS IN; Connection Style: INVERTED FLARE (PIPE) ALL ENDS; Nominal Overall Length: 2.15 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 15 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.