The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-258-2706, 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 Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-258-2706 |
| Primary Part Number | 2446 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Greno Industries, Inc. Dba Greno Industries Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SEAL |
| Flow Angle | 90.0 DEGREES |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | ASTM A182 TY F 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.062 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.688 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 16 FIRST END |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPT 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 |
|---|---|
| 2446 | Greno Industries, Inc. Dba Greno Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| F821-6-4-SS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-258-2706 is a Elbow,pipe to Tube, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-258-2706 has 1 manufacturer part number on file: 2446 (Greno Industries, Inc. Dba Greno Industries Inc).
4 possible matches (shared part number, not a government interchangeability claim): 8415-01-357-2979, 5120-01-398-8058, 5330-01-411-8577. Verify interchangeability with system specifications before substitution.
Key specifications for 2446: Furnished Items and Quantity: 1 SEAL; Flow Angle: 90.0 DEGREES; Connection Style: GASKET SEAL (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 16 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.