The Flange,pipe, cataloged under National Stock Number 4730-01-055-8129, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 10 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 | 4730-01-055-8129 |
| Primary Part Number | 690214-1 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 1.580 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.221 INCHES NOMINAL IN |
| Neck Height | 0.366 INCHES NOMINAL IN |
| Material Document and Classification | WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Flange Length | 3.120 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Surface Treatment | PAINT AND PRIMER |
| Flange Width | 2.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 0.040 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 |
|---|---|
| 690214-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 4730-01-055-8129 is a Flange,pipe, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-055-8129 has 1 manufacturer part number on file: 690214-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 690214-1: Tube Outside Diameter for Which Designed: 1.580 INCHES NOMINAL IN; Bolt Hole Diameter: 0.221 INCHES NOMINAL IN; Neck Height: 0.366 INCHES NOMINAL IN; Material Document and Classification: WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE. 10 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.