The Reducer,tube, cataloged under National Stock Number 4730-01-717-2685, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-717-2685 |
| Primary Part Number | AS1037J0608 |
| Item Name | Reducer,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 | AMS2700 ASSN STD SINGLE TREATMENT RESPONSE BODY |
| Connection Style | FLARED (TUBE) FIRST END BULKHEAD |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | FLARED W/ BULKHEAD THREAD |
| Material Document and Classification | AMS5639 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.7500 INCHES SECOND END IN |
| Nominal Thread Size | 0.5625 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.5625 INCHES CENTER BULKHEAD IN |
| Surface Treatment | PASSIVATE BODY |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Quantity Per Inch | 18 FIRST END BULKHEAD |
| Thread Quantity Per Inch | 18 CENTER BULKHEAD |
| Material | STEEL COMP 304 BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| AS1037J0608 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1037 | 5/9 Secondary reference Sae International Dba Sae International |
NSN 4730-01-717-2685 is a Reducer,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-717-2685 has 1 manufacturer part number on file: AS1037J0608 (Sae International Dba Sae International).
Key specifications for AS1037J0608: Surface Treatment Document and Classification: AMS2700 ASSN STD SINGLE TREATMENT RESPONSE BODY; Connection Style: FLARED (TUBE) FIRST END BULKHEAD; Connection Style: FLARED (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END BULKHEAD. 19 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.