The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-620-1815, 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 Sae International Dba Sae International. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-620-1815 |
| Primary Part Number | AS4229T04-022 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Mounting End Type | FLAT |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.022 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| AS4229T04-022 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS4229T04-022 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS85720 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-620-1815 is a Adapter,straight,pipe to Tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-620-1815 has 1 manufacturer part number on file: AS4229T04-022 (Sae International Dba Sae International).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-620-2044, 4730-01-633-0823, 4730-01-682-6315. Verify interchangeability with system specifications before substitution.
Key specifications for AS4229T04-022: Mounting End Type: FLAT; Connection Style: SOCKET (TUBE) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.022 INCHES SECOND END IN. 13 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.