The Elbow,pipe, cataloged under National Stock Number 4730-01-339-9699, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-339-9699 |
| Primary Part Number | 2621-166-02 PC 171AL1 |
| Item Name | Elbow,pipe |
| 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 | 2.000 INCHES THIRD END IN |
| Connection Style | BEVELED (TUBE) FIRST END |
| Connection Style | SOCKET (TUBE) THIRD END |
| Connection Style | BEVELED (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.120 INCHES FIRST END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.120 INCHES SECOND END IN |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL PIPE THIRD END |
| Connection Type | BUTT WELD TUBE FIRST END |
| Connection Type | BUTT WELD TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 2.500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 2.500 INCHES SECOND END IN |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 304 OVERALL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION 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 PC 171AL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 711-4678181 ITEM F18L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 262116602-171AAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 711-4678181 ITEM F18 | 5/2 Secondary reference U.S. Government activity |
| 262116602-171AA | 5/1 Secondary reference U.S. Government activity |
| 2621-166-02 PC 171A | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-339-9699 is a Elbow,pipe, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-339-9699 has 3 manufacturer part numbers on file: 2621-166-02 PC 171AL1 (Naval Inventory Control Point Mechanicsburg), 711-4678181 ITEM F18L1 (Naval Inventory Control Point Mechanicsburg), 262116602-171AAL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2621-166-02 PC 171AL1: FSC Application Data: INTERIOR 3 IN LAUNCHERS IN; Nominal Pipe Size Accommodated: 2.000 INCHES THIRD END IN; Connection Style: BEVELED (TUBE) FIRST END; Connection Style: SOCKET (TUBE) THIRD END. 16 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.