The Elbow,tube, cataloged under National Stock Number 4730-00-475-4634, 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 24 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-475-4634 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEADTHREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | QQ-A-367,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END BULKHEAD IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END BULKHEAD0.375 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.812 INCHES NOMINAL SECOND END0.812 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.562 INCHES NOMINAL FIRST END1.562 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS0.562 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.562 INCHES FIRST END BULKHEAD0.562 INCHES FIRST END BULKHEAD IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Specification/standard Data | 96906-MS21907 GOVERNMENT STANDARD |
| Maximum Operating Temp | 135.0 CELSIUS SECOND RESPONSE135.0 CELSIUS SECOND RESPONSE DEGC |
| Maximum Operating Temp | -54.0 CELSIUS FIRST RESPONSE-54.0 CELSIUS FIRST RESPONSE DEGC |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Thread Class | 3A ALL ENDS3A ALL ENDS A |
| Thread Class | 3A FIRST END BULKHEAD3A FIRST END BULKHEAD A |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEADUNIFIED 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 |
| Reference | Meaning |
|---|---|
| MS21907W6 | 2/2 Government specification standardization U.S. Government activity |
| SAE-AS18280 | 5/1 Secondary reference Sae International Dba Sae International |
| MILF18280 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-475-4634 is a Elbow,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-475-4634: Flow Angle: 45.0 DEGREES; Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST END BULKHEADTHREADED EXTERNAL TUBE FIRST END BULKHEAD. 24 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.