The Elbow,pipe, cataloged under National Stock Number 4730-01-325-3985, 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 Link Industries. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-325-3985 |
| Primary Part Number | 621-166-01 PIECE 121 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Link Industries |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY 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 |
|---|---|
| 621-166-01 PIECE 121 | Link Industries (USA) |
| Reference | Meaning |
|---|---|
| 508-4685829 ITEM F62 | 5/2 Secondary reference U.S. Government activity |
| 15-97-7099 | 3/2 Design control — primary reference U.S. Government activity |
| 4685829 | D/9 Drawing number reference only U.S. Government activity |
| 2621-166-01 PIECE 121 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-325-3985 is a Elbow,pipe, manufactured by Link Industries, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-325-3985 has 1 manufacturer part number on file: 621-166-01 PIECE 121 (Link Industries).
Key specifications for 621-166-01 PIECE 121: Flow Angle: 45.0 DEGREES; Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: COPPER ALLOY OVERALL. 3 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.