The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-154-9726, 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 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-154-9726 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Union Joint Location | FIRST END |
| Nominal Overall Length | 4.735 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE TAILPIECE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 FIRST END |
| Thread Class | 2A SECOND END A |
| Material | NICKEL ALLOY OVERALL |
| Material | STEEL COMP 304 TAILPIECE |
| Thread Series Designator | UNF 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 |
|---|---|
| 2621-021-01 ASSY 101 | 5/2 Secondary reference U.S. Government activity |
| 14-97-0188 | 3/2 Design control — primary reference U.S. Government activity |
| 87792-1321 | D/9 Drawing number reference only U.S. Government activity |
| 516-4682264F36 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-154-9726 is a Adapter,straight,pipe to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-154-9726: Furnished Items and Quantity: 1 PREFORMED PACKING; Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END. 17 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.