The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-539-0664, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-539-0664 |
| Primary Part Number | 2710-300FB |
| 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 |
| Flange Shape | RECTANGULAR FIRST END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | AMS5510 ASSN STD 1ST MATERIAL RESPONSE OR AMS5645 ASSN STD 2ND MATERIAL RESPONSE AND AMS5512 ASSN STD 3RD MATERIAL RESPONSE OR AMS5646 ASSN STD 4TH MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 3.000 INCHES SECOND END IN |
| Nominal Width | 0.240 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| V340-526-9001 | Vericor Power Systems Llc (USA) |
| 2710-300FB PRIMARY | Eaton Corporation Div Fed (USA) |
| Reference | Meaning |
|---|---|
| 340-526 | 3/2 Design control — primary reference U.S. Government activity |
| 340-526-9001 | 3/9 Design control — primary reference Eaton Corporation Div Fed |
NSN 4730-01-539-0664 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 4730-01-539-0664 has 2 manufacturer part numbers on file: V340-526-9001 (Vericor Power Systems Llc), 2710-300FB (Eaton Corporation Div Fed).
Key specifications for 2710-300FB: Flange Shape: RECTANGULAR FIRST END; Connection Type: FLANGE FIRST END; Material Document and Classification: AMS5510 ASSN STD 1ST MATERIAL RESPONSE OR AMS5645 ASSN STD 2ND MATERIAL RESPONSE AND AMS5512 ASSN STD 3RD MATERIAL RESPONSE OR AMS5646 ASSN STD 4TH MATERIAL RESPONSE OVERALL; Nominal Outside Diameter Tube Accommodated: 3.000 INCHES SECOND END IN. 6 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.