The Elbow,pipe, cataloged under National Stock Number 4730-01-428-1817, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-428-1817 |
| Primary Part Number | 516-6818943,SHT 2,ITEM F-54 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A403 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 0.880 INCHES NOMINAL ALL ENDS IN |
| Specification/standard Data | 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 4 TABLE |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE XS ALL ENDS |
| Material | STEEL COMP 316L OVERALL |
| 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 |
|---|---|
| 516-6818943,SHT 2,ITEM F-54 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 516-6818943,SHT | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| B16.11 | 5/1 Secondary reference U.S. Government activity |
| 3/4 INCH 6000# | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ELBOW,3/4 INCH | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 6818943 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-428-1817 is a Elbow,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-428-1817 has 1 manufacturer part number on file: 516-6818943,SHT 2,ITEM F-54 (Naval Sea Systems Command).
Key specifications for 516-6818943,SHT 2,ITEM F-54: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 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.