The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-678-6694, 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 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-678-6694 |
| Primary Part Number | AS4405W1206 |
| 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 |
| Surface Treatment Document and Classification | AMS2472 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE BODY |
| Surface Treatment Document and Classification | AS4370 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Nominal Length | 1.274 INCHES ALL ENDS IN |
| Nominal Overall Length | 1.274 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4124 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | AS4370 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 0.5625 INCHES SECOND END IN |
| Nominal Thread Size | 1.0625 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Surface Treatment | ANODIZE BODY |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Material | ALUMINUM ALLOY 7075 BODY |
| Material | ALUMINUM ALLOY 7075 NUT |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| AS4405W1206 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS4405 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-678-6694 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 4730-01-678-6694 has 1 manufacturer part number on file: AS4405W1206 (Sae International Dba Sae International).
Key specifications for AS4405W1206: Surface Treatment Document and Classification: AMS2472 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE BODY; Surface Treatment Document and Classification: AS4370 ASSN STD SINGLE TREATMENT RESPONSE NUT; Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END. 25 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.