The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-191-8330, 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 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-191-8330 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING |
| Union Joint Location | FIRST END |
| Material Document and Classification | QQ-N-281 FED STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-N-286 FED STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-741 FED STD SINGLE MATERIAL RESPONSE TAILPIECE |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | NICKEL ALLOY NUT |
| Material | NICKEL ALLOY BODY |
| Material | STEEL TAILPIECE |
| Thread Series Designator | UN SECOND 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 |
|---|---|
| 14-97-0288 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-021-01 | D/9 Drawing number reference only U.S. Government activity |
| 2621-021-01 ASSY 87 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-191-8330 is a Adapter,straight,pipe to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-191-8330: Furnished Items and Quantity: 2 PREFORMED PACKING; Union Joint Location: FIRST END; Material Document and Classification: QQ-N-281 FED STD SINGLE MATERIAL RESPONSE NUT; Material Document and Classification: QQ-N-286 FED STD SINGLE MATERIAL RESPONSE BODY. 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.
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.