The Flange,pipe, cataloged under National Stock Number 4730-01-466-2490, 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 Gates Corporation. Government technical data includes 13 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 | 4730-01-466-2490 |
| Primary Part Number | 20CFHS |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 1.250 INCHES IN |
| Flange Section Style | PLAIN FACE WITH "O" RING |
| Style Designator | BOLT HOLE CONNECTOR PLATE |
| Bolt Hole Diameter | 0.469 INCHES NOMINAL IN |
| Neck Height | 0.560 INCHES NOMINAL IN |
| Material Document and Classification | SAE J518 ASSN STD SINGLE MATERIAL RESPONSE |
| Flange Length | 3.130 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Length | 2.312 INCHES NOMINAL IN |
| Flange Width | 2.880 INCHES NOMINAL IN |
| Material | STEEL |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.594 INCHES NOMINAL IN |
| Thickness | 0.315 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 |
|---|---|
| 20CFHS PRIMARY | Gates Corporation (USA) |
NSN 4730-01-466-2490 is a Flange,pipe, manufactured by Gates Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-466-2490 has 1 manufacturer part number on file: 20CFHS (Gates Corporation).
Key specifications for 20CFHS: Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 1.250 INCHES IN; Flange Section Style: PLAIN FACE WITH "O" RING; Style Designator: BOLT HOLE CONNECTOR PLATE. 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.