The Elbow,tube, cataloged under National Stock Number 4730-01-337-3944, 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 Inventory Control Point Mechanicsburg. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-337-3944 |
| Primary Part Number | 2621-166-02, SHEET 163, PIECE 16 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| FSC Application Data | INTERIOR 3 IN LAUNCHERS IN |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES THIRD END IN |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | SOCKET (TUBE) THIRD END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE THIRD END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY 715 OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2621-166-02, SHEET 163, PIECE 16 | Naval Inventory Control Point Mechanicsburg (USA) |
| 711-4678181, ITEM NO. F11 L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 711-4678181, ITEM NO. F11 | 5/1 Secondary reference U.S. Government activity |
| 2621-166-02, SHEET 163, PIECE 16 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-337-3944 is a Elbow,tube, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-337-3944 has 2 manufacturer part numbers on file: 2621-166-02, SHEET 163, PIECE 16 (Naval Inventory Control Point Mechanicsburg), 711-4678181, ITEM NO. F11 L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2621-166-02, SHEET 163, PIECE 16: FSC Application Data: INTERIOR 3 IN LAUNCHERS IN; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.500 INCHES THIRD END 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.