The Flange,pipe, cataloged under National Stock Number 4730-01-429-9937, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-429-9937 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 1.250 INCHES IN |
| Flange Section Style | PLAIN FACE, RAISED NECK |
| Style Designator | BOLT HOLE CONNECTOR PLATE |
| Bolt Hole Diameter | 0.531 INCHES NOMINAL IN |
| Neck Height | 0.440 INCHES NOMINAL IN |
| Flange Length | 3.750 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Length | 2.625 INCHES NOMINAL IN |
| Flange Width | 2.960 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 1.060 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 |
| Reference | Meaning |
|---|---|
| 20SFX0 1-1/4 | 5/9 Secondary reference Anchor Flange Company Dba Anchor Fluid Power |
| 9019-6.0 PL | D/9 Drawing number reference only Maritime Tanksystems International, Inc Dba Flume Stabilization Systems |
| 20SFXO | 3/9 Design control — primary reference Anchor Flange Company Dba Anchor Fluid Power |
| 20SFX0 1-1/4" C | C/1 Advisory reference — outside the item-of-supply concept Anchor Flange Company Dba Anchor Fluid Power |
NSN 4730-01-429-9937 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-429-9937: Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 1.250 INCHES IN; Flange Section Style: PLAIN FACE, RAISED NECK; Style Designator: BOLT HOLE CONNECTOR PLATE. 11 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.