The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-560-3618, 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 Tompkins Industries Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-560-3618 |
| Primary Part Number | 42904-4 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tompkins Industries Inc |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | ELBOW |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 1.500 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPTF SECOND END |
| 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 |
|---|---|
| 42904-4 PRIMARY | Tompkins Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 2020048V0136-01 | 7/9 Vendor item drawing reference Bae Systems Technology Solutions & Services Inc |
NSN 4730-01-560-3618 is a Elbow,pipe to Tube, manufactured by Tompkins Industries Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-560-3618 has 1 manufacturer part number on file: 42904-4 (Tompkins Industries Inc).
Key specifications for 42904-4: Connection Type: THREADED EXTERNAL PIPE SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Style Designator: ELBOW; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN. 8 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.