The Elbow,pipe, cataloged under National Stock Number 4730-01-325-3982, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-325-3982 |
| Primary Part Number | 2621-166-03 PC164 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST END IN |
| Operating Pressure | 150.0 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 |
|---|---|
| 2621-166-03 PC164 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 508-468533 ITEM F7 | 5/2 Secondary reference U.S. Government activity |
| 4687601-0164 | 5/2 Secondary reference U.S. Government activity |
| 2621-166-03 PIE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2621-166-03 PC164 | 5/2 Secondary reference U.S. Government activity |
| 508-4685833 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-325-3982 is a Elbow,pipe, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-325-3982 has 1 manufacturer part number on file: 2621-166-03 PC164 (Derbyshire Machine & Tool Co).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-325-3983. Verify interchangeability with system specifications before substitution.
Key specifications for 2621-166-03 PC164: Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Operating Pressure: 150.0 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.