The Elbow,flange, cataloged under National Stock Number 4730-00-349-8975, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-349-8975 |
| Primary Part Number | 3S2472 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES ALL ENDS |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN WITH GASKET GROOVE ALL ENDS |
| Connection Style | PLAIN (PIPE) INLET |
| Nominal Length | 3.395 INCHES SECOND END IN |
| Nominal Length | 3.630 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 1.625 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 2.750 INCHES FIRST END IN |
| Inlet Location | RIGHT-HAND SIDE SINGLE INLET |
| Connection Type | THREADED INTERNAL PIPE INLET |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.438 INCHES ALL ENDS IN |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.375 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.000 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.125 INCHES INLET IN |
| Bolt Hole Quantity | 2 ALL ENDS |
| Nominal Width | 2.120 INCHES FIRST END IN |
| Nominal Width | 1.940 INCHES SECOND END IN |
| Material | IRON CAST OVERALL |
| Thread Series Designator | NPTF INLET |
| Nominal Thickness | 0.440 INCHES FIRST END IN |
| Nominal Thickness | 1.590 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 |
| Part Number | Manufacturer |
|---|---|
| 3S2472 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4730-00-349-8975 is a Elbow,flange, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-349-8975 has 1 manufacturer part number on file: 3S2472 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 3S2472: Flange Shape: OVAL WITH HOLES ALL ENDS; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN WITH GASKET GROOVE ALL ENDS; Connection Style: PLAIN (PIPE) INLET. 23 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.