The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-428-6400, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-428-6400 |
| Primary Part Number | R32FS4-0300M0 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| Recess Nominal Depth | 0.530 INCHES FIRST END IN |
| Flange Shape | ROUND SECOND END |
| Flange Face Design | RECESSED WITH GASKET GROOVE SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 0.978 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | 4150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 3.000 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 3.750 INCHES SECOND END IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Nominal Thickness | 0.174 INCHES SECOND END IN |
| Recess Nominal Diameter | 3.005 INCHES ALL ENDS 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 |
|---|---|
| R32FS4-0300M0 PRIMARY | Eaton Corporation Div Fed (USA) |
| 07A079-300M | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 07A079 | D/9 Drawing number reference only Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
NSN 4730-01-428-6400 is a Adapter,straight,flange to Tube, manufactured by Eaton Corporation Div Fed, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-428-6400 has 2 manufacturer part numbers on file: R32FS4-0300M0 (Eaton Corporation Div Fed), 07A079-300M (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for R32FS4-0300M0: Recess Nominal Depth: 0.530 INCHES FIRST END IN; Flange Shape: ROUND SECOND END; Flange Face Design: RECESSED WITH GASKET GROOVE SECOND END; Connection Style: PLAIN (TUBE) FIRST END. 13 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.