The Flange,pipe, cataloged under National Stock Number 4730-01-602-9621, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 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 | 4730-01-602-9621 |
| Primary Part Number | 642AS0236 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Section Style | RAISED FACE (BLIND) |
| Bolt Hole Diameter | 0.201 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8 TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE |
| Flange Length | 2.50 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Center to Center Distance Between Bolt Holes Along Length | 1.70 INCHES NOMINAL IN |
| Flange Width | 2.50 INCHES NOMINAL IN |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | ALUMINUM 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 |
|---|---|
| 642AS0236 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4730-01-602-9621 is a Flange,pipe, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-602-9621 has 1 manufacturer part number on file: 642AS0236 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 642AS0236: Flange Section Style: RAISED FACE (BLIND); Bolt Hole Diameter: 0.201 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/8 TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE; Flange Length: 2.50 INCHES NOMINAL IN. 9 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.