The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-309-3395, 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 The Boeing Company Div Defense. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-309-3395 |
| Primary Part Number | 75D421006-2007 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL COMPRESSION (PIPE) FIRST END |
| Nominal Overall Length | 2.250 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 1.062 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY 6151 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | NPT 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 |
|---|---|
| 75D421006-2007 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75D421006 | D/9 Drawing number reference only Mrl Inc |
| 75D421006 | 5/1 Secondary reference The Boeing Company Div Defense |
| 75D421006-2007 | 3/9 Design control — primary reference Mrl Inc |
NSN 4730-01-309-3395 is a Adapter,straight,pipe to Boss, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-309-3395 has 1 manufacturer part number on file: 75D421006-2007 (The Boeing Company Div Defense).
Key specifications for 75D421006-2007: Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL COMPRESSION (PIPE) FIRST END; Nominal Overall Length: 2.250 INCHES IN; Connection Type: THREADED INTERNAL BOSS SECOND END. 14 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.