The Flange,pipe, cataloged under National Stock Number 4730-01-243-4876, 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 Sea Systems Command. Government technical data includes 14 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 | 4730-01-243-4876 |
| Primary Part Number | 5871936 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Diameter | 11.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Maximum Operating Temp and Media for Which Designed | 100.0 FAHRENHEIT ANY ACCEPTABLE DEGF |
| Flange Section Style | RECESSED FACE, RAISED NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.781 INCHES NOMINAL IN |
| Neck Height | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A614,GRADE B OR GRADE D ASSN STD SINGLE MATERIAL RESPONSE |
| Recess Depth | 0.250 INCHES NOMINAL IN |
| Recess Diameter | 4.875 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 9.500 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 5871936 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4730-01-243-4876 is a Flange,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-243-4876 has 1 manufacturer part number on file: 5871936 (Naval Sea Systems Command).
Key specifications for 5871936: Flange Diameter: 11.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Maximum Operating Temp and Media for Which Designed: 100.0 FAHRENHEIT ANY ACCEPTABLE DEGF; Flange Section Style: RECESSED FACE, RAISED NECK. 14 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.