The Elbow,pipe, cataloged under National Stock Number 4730-01-329-2137, 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 Derbyshire Machine & Tool Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-329-2137 |
| Primary Part Number | 2621-166-02 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.505 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.505 INCHES NOMINAL SECOND END IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 2621-166-02 | Derbyshire Machine & Tool Co (USA) |
| 2621-166-02 PC140 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 2621-166-02-140 | 5/2 Secondary reference U.S. Government activity |
| 6559060 ITEM-F13 | 5/2 Secondary reference U.S. Government activity |
| 2621-166-02 PC-140 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-166-02 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-329-2137 is a Elbow,pipe, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-329-2137 has 2 manufacturer part numbers on file: 2621-166-02 (Derbyshire Machine & Tool Co), 2621-166-02 PC140 (Derbyshire Machine & Tool Co).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-329-2138, 4730-01-329-2163. Verify interchangeability with system specifications before substitution.
Key specifications for 2621-166-02: Flow Angle: 90.0 DEGREES; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Leg Length: 1.505 INCHES NOMINAL FIRST END IN; Leg Length: 1.505 INCHES NOMINAL SECOND END IN. 5 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.