The Elbow,flange to Pipe, cataloged under National Stock Number 4730-01-313-8679, 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 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-313-8679 |
| Primary Part Number | 2621-166-01 PIECE 94 |
| Item Name | Elbow,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flow Angle | 45.0 DEGREES |
| Nominal Pipe Size Accommodated | 3.000 INCHES SECOND END IN |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | BEVELED (PIPE) SECOND END |
| Bolt Circle Nominal Diameter | 5.938 INCHES FIRST END IN |
| Connection Type | BUTT WELD PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.688 INCHES FIRST END IN |
| Leg Length | 2.500 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.625 INCHES NOMINAL FIRST END IN |
| Nominal Outside Diameter | 7.438 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Nominal Thickness | 1.125 INCHES FIRST END IN |
| 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 |
|---|---|
| 2621-166-01 PIECE 94 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| 2621-166-01 PIECE 94 | L.m. Gill Welding & Manufacturing, L.l.c. Dba Lm Gill Welding & Manufacturing Llc (USA) |
| Reference | Meaning |
|---|---|
| 704-4685281 ITEM F3 | 5/2 Secondary reference U.S. Government activity |
| 704-4685281 ITE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2621-166-01 PIECE 94 | 5/2 Secondary reference U.S. Government activity |
| 704-468528 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-313-8679 is a Elbow,flange to Pipe, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-313-8679 has 2 manufacturer part numbers on file: 2621-166-01 PIECE 94 (Derbyshire Machine & Tool Co), 2621-166-01 PIECE 94 (L.m. Gill Welding & Manufacturing, L.l.c. Dba Lm Gill Welding & Manufacturing Llc).
Key specifications for 2621-166-01 PIECE 94: Flange Shape: ROUND WITH HOLES FIRST END; Flow Angle: 45.0 DEGREES; Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN; Flange Face Design: PLAIN FIRST END. 15 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.