The Flange,pipe, cataloged under National Stock Number 4730-01-596-0099, 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 Bec Systems Llc Dba Bec Machine Products. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-596-0099 |
| Primary Part Number | 2633-228-01 PC102G |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bec Systems Llc Dba Bec Machine Products |
| Status | ACTIVE |
| Flange Diameter | 4.250 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Quantity | 4 |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 2633-228-01 PC102G | Bec Systems Llc Dba Bec Machine Products (USA) |
| 2633-228-01 PC102G | U.s.a. Spares Inc. (USA) |
| Reference | Meaning |
|---|---|
| 801-6641060PC102G | D/9 Drawing number reference only Naval Sea Systems Command |
| 2633-228-01 PC102G | 5/2 Secondary reference U.S. Government activity |
| 218033481 | 3/2 Design control — primary reference U.S. Government activity |
| 2633-228-01G | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-596-0099 is a Flange,pipe, manufactured by Bec Systems Llc Dba Bec Machine Products, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-596-0099 has 2 manufacturer part numbers on file: 2633-228-01 PC102G (Bec Systems Llc Dba Bec Machine Products), 2633-228-01 PC102G (U.s.a. Spares Inc.).
Key specifications for 2633-228-01 PC102G: Flange Diameter: 4.250 INCHES NOMINAL IN; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Bolt Hole Quantity: 4; Special Features: NOT LEVEL 1 SUB-SAFE,GROOVED FLANGE. 4 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.