The Elbow,pipe, cataloged under National Stock Number 4730-01-398-2128, 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 Somerville Thos Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-398-2128 |
| Primary Part Number | 250348 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Somerville Thos Co |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Leg Length | 1.500 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.500 INCHES NOMINAL SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 250348 PRIMARY | Somerville Thos Co (USA) |
| Reference | Meaning |
|---|---|
| 250348 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-398-2128 is a Elbow,pipe, manufactured by Somerville Thos Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-398-2128 has 1 manufacturer part number on file: 250348 (Somerville Thos Co).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-667-8554. Verify interchangeability with system specifications before substitution.
Key specifications for 250348: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END. 10 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.