The Flange,pipe,blind, cataloged under National Stock Number 4730-00-972-4222, 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 Air Products & Chemicals, Inc. 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 | 4730-00-972-4222 |
| Primary Part Number | 34294B1 |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air Products & Chemicals, Inc |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.000 INCHES IN |
| Flange Section Style | RECESSED FACE (BLIND) |
| Style Designator | SQUARE, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.656 INCHES NOMINAL IN |
| Groove Depth | 0.113 INCHES NOMINAL IN |
| Groove Pitch Diameter | 2.460 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Flange Width | 4.750 INCHES NOMINAL IN |
| Material | STEEL |
| Groove Width | 0.094 INCHES NOMINAL IN |
| Thickness | 1.062 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 |
|---|---|
| 34294B1 PRIMARY | Air Products & Chemicals, Inc (USA) |
NSN 4730-00-972-4222 is a Flange,pipe,blind, manufactured by Air Products & Chemicals, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-972-4222 has 1 manufacturer part number on file: 34294B1 (Air Products & Chemicals, Inc).
Key specifications for 34294B1: Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.000 INCHES IN; Flange Section Style: RECESSED FACE (BLIND); Style Designator: SQUARE, ONE BOLT HOLE CIRCLE. 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.