The Flange,pipe, cataloged under National Stock Number 4730-01-337-5151, 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 Eaton Corporation Div Fed. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-337-5151 |
| Primary Part Number | R32FS4-0350F0 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| Flange Diameter | 4.250 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Tube Outside Diameter for Which Designed | 3.500 INCHES NOMINAL IN |
| Flange Section Style | RECESSED FACE, RAISED NECK |
| Style Designator | ROUND, NO BOLT HOLES |
| Material Document and Classification | AMS 4027,4082,4117,4127,4173, OR 4150 ASSN STD SINGLE MATERIAL RESPONSE |
| Recess Depth | 0.125 INCHES NOMINAL IN |
| Recess Diameter | 4.086 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 0.210 INCHES NOMINAL 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 |
|---|---|
| 07A079-350F | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| R32FS4-0350F0 PRIMARY | Eaton Corporation Div Fed (USA) |
NSN 4730-01-337-5151 is a Flange,pipe, manufactured by Eaton Corporation Div Fed, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-337-5151 has 2 manufacturer part numbers on file: 07A079-350F (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), R32FS4-0350F0 (Eaton Corporation Div Fed).
Key specifications for R32FS4-0350F0: Flange Diameter: 4.250 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Tube Outside Diameter for Which Designed: 3.500 INCHES NOMINAL IN; Flange Section Style: RECESSED FACE, RAISED NECK. 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.