The Flange,pipe, cataloged under National Stock Number 4730-00-334-0013, 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 George Fischer Sloane, Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-334-0013 |
| Primary Part Number | 851-040 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | George Fischer Sloane, Inc. |
| Status | ACTIVE |
| Socket Diameter | 4.500 INCHES NOMINAL IN |
| Flange Diameter | 8.972 INCHES NOMINAL IN |
| Face Seating Surface Condition | UNFINISHED |
| Socket Depth | 1.470 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 4.500 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, SOCKET NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.634 INCHES NOMINAL IN |
| Neck Height | 1.750 INCHES NOMINAL IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 6.820 INCHES NOMINAL IN |
| Material | PLASTIC |
| Thickness | 1.166 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 |
|---|---|
| 851-040 PRIMARY | George Fischer Sloane, Inc. (USA) |
| 3851S040 | Ryan Herco Products Corp (USA) |
| 01045016 | Nibco Inc Chemtrol Div (USA) |
| 851-040 | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| 851-040 | 5/9 Secondary reference Spears Manufacturing Co. |
| 01045016 | 5/9 Secondary reference Nibco Inc |
| 851-040 | 5/9 Secondary reference Nibco Inc |
| 0101120-040 | 5/9 Secondary reference Cleveland Service Center |
| 851-040 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-334-0013 is a Flange,pipe, manufactured by George Fischer Sloane, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-334-0013 has 4 manufacturer part numbers on file: 851-040 (George Fischer Sloane, Inc.), 3851S040 (Ryan Herco Products Corp), 01045016 (Nibco Inc Chemtrol Div), 851-040 (Nibco Inc Chemtrol Div).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-065-6968, 7010-01-177-6115. Verify interchangeability with system specifications before substitution.
Key specifications for 851-040: Socket Diameter: 4.500 INCHES NOMINAL IN; Flange Diameter: 8.972 INCHES NOMINAL IN; Face Seating Surface Condition: UNFINISHED; Socket Depth: 1.470 INCHES NOMINAL IN. 14 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.