The Elbow,pipe to Hose, cataloged under National Stock Number 4730-00-187-3546, 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 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-187-3546 |
| Item Name | Elbow,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 1.250 INCHES FIRST END IN |
| Connection Style | BEADED (HOSE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 1.250 INCHES SECOND END IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Leg Length | 2.062 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.516 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Surface Treatment | ANODIZE INSIDE |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | ANPT 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 |
| Reference | Meaning |
|---|---|
| AN842-20D | 2/2 Government specification standardization U.S. Government activity |
| 7429-20 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| SAE-AS4843/2 | 5/1 Secondary reference Sae International Dba Sae International |
| 7429X20 | 5/9 Secondary reference Dana Corp Weatherhead Div |
NSN 4730-00-187-3546 is a Elbow,pipe to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2840-01-009-4723. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-187-3546: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 1.250 INCHES FIRST END IN; Connection Style: BEADED (HOSE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 14 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.