The Flange,pipe, cataloged under National Stock Number 4730-01-163-3247, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-163-3247 |
| Primary Part Number | 5428295 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 1.500 INCHES IN |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Outer Bolt Circle Hole Diameter | 0.688 INCHES NOMINAL IN |
| Neck Height | 0.312 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-591,COMP A413.0 FED SPEC SINGLE MATERIAL RESPONSE |
| Inner Bolt Circle Hole Diameter | 0.500 INCHES NOMINAL IN |
| Nominal Thread Size | 1.500 INCHES IN |
| Screw Thread Series Designator | UNF |
| Thread Class | 2B |
| Inner Bolt Circle Diameter | 3.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Neck Diameter | 0.438 INCHES NOMINAL IN |
| Outer Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Thickness | 0.125 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 |
|---|---|
| 5428295 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 400-8CRCX420C32 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-163-3247 is a Flange,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-163-3247 has 1 manufacturer part number on file: 5428295 (Naval Sea Systems Command).
Key specifications for 5428295: Nominal Pipe Size for Which Designed: 1.500 INCHES IN; Flange Section Style: PLAIN FACE, LONG NECK; Outer Bolt Circle Hole Diameter: 0.688 INCHES NOMINAL IN; Neck Height: 0.312 INCHES NOMINAL IN. 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.