The Elbow,flange, cataloged under National Stock Number 4730-01-180-0896, 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 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-180-0896 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS |
| Flow Angle | 90.0 DEGREES90.0 DEGREES |
| Flange Face Design | PLAIN SECOND ENDPLAIN SECOND END |
| Flange Face Design | RAISED SWIVEL WITH GASKET GROOVE FIRST ENDRAISED SWIVEL WITH GASKET GROOVE FIRST END |
| Bolt Circle Nominal Diameter | 5.625 INCHES SECOND END5.625 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 6.875 INCHES FIRST END6.875 INCHES FIRST END IN |
| Connection Type | FLANGE ALL ENDSFLANGE ALL ENDS |
| Material Document and Classification | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.688 INCHES SECOND END0.688 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.938 INCHES FIRST END0.938 INCHES FIRST END IN |
| Leg Length | 6.062 INCHES NOMINAL FIRST END6.062 INCHES NOMINAL FIRST END IN |
| Leg Length | 7.875 INCHES NOMINAL SECOND END7.875 INCHES NOMINAL SECOND END IN |
| Nominal Outside Diameter | 7.000 INCHES SECOND END7.000 INCHES SECOND END IN |
| Nominal Outside Diameter | 8.750 INCHES FIRST END8.750 INCHES FIRST END IN |
| Bolt Hole Quantity | 10 SECOND END10 SECOND END |
| Bolt Hole Quantity | 8 FIRST END8 FIRST END |
| Material | NICKEL ALLOY OVERALL |
| Raised Face Nominal Diameter | 5.497 INCHES FIRST END5.497 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.562 INCHES FIRST END0.562 INCHES FIRST END IN |
| Nominal Thickness | 1.500 INCHES FIRST END1.500 INCHES FIRST END IN |
| Nominal Thickness | 1.375 INCHES SECOND END1.375 INCHES SECOND END IN |
| 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 |
|---|---|
| 2640-047 | D/9 Drawing number reference only U.S. Government activity |
| 2640-047ASSY-C PIECE4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-180-0896 is a Elbow,flange, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-184-3942, 4730-01-184-7151. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-180-0896: Flange Shape: ROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS; Flow Angle: 90.0 DEGREES90.0 DEGREES; Flange Face Design: PLAIN SECOND ENDPLAIN SECOND END; Flange Face Design: RAISED SWIVEL WITH GASKET GROOVE FIRST ENDRAISED SWIVEL WITH GASKET GROOVE FIRST END. 21 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.