The Elbow,tube, cataloged under National Stock Number 4730-01-047-8122, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-047-8122 |
| Primary Part Number | D11021T20 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Flow Angle | 90.1 DEGREES |
| Connection Style | CRIMPED (TUBE) SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4965 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS5656 ASSN STD 1ST MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 1.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.875 INCHES FIRST END IN |
| Leg Length | 2.018 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.737 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.578 INCHES FIRST END IN |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 14 FIRST END |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| D11021AT-20 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| D11021T20 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| C7866-20 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-047-8122 is a Elbow,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-047-8122 has 2 manufacturer part numbers on file: D11021AT-20 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), D11021T20 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
Key specifications for D11021T20: Flow Angle: 90.1 DEGREES; Connection Style: CRIMPED (TUBE) SECOND END; Connection Type: UNTHREADED INTERNAL TUBE SECOND END; Connection Type: THREADED INTERNAL TUBE FIRST END. 14 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.