The Flange,pipe, cataloged under National Stock Number 4730-01-433-2553, 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 General Electric Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-433-2553 |
| Primary Part Number | 9987M64P02 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Flange Section Style | PLAIN FACE, BRAZING NECK |
| Style Designator | OVAL, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.233 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Neck Height | 1.190 INCHES NOMINAL IN |
| Material Document and Classification | AMS5645 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 2 |
| Material | STEEL COMP 321 |
| Thickness | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM 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 |
|---|---|
| 9987M64P02 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 9987M64 | D/9 Drawing number reference only General Electric Company |
NSN 4730-01-433-2553 is a Flange,pipe, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-433-2553 has 1 manufacturer part number on file: 9987M64P02 (General Electric Company).
Key specifications for 9987M64P02: Flange Section Style: PLAIN FACE, BRAZING NECK; Style Designator: OVAL, ONE BOLT HOLE CIRCLE; Bolt Hole Diameter: 0.233 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Neck Height: 1.190 INCHES NOMINAL IN. 8 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.