The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-684-4047, 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 Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-684-4047 |
| Primary Part Number | Y54-22 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.125 INCHES SECOND END IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 0.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.818 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Surface Treatment | CADMIUM OUTSIDE |
| Surface Treatment | CADMIUM INSIDE |
| Thread Class | 3A FIRST END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| Y54-22 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| Reference | Meaning |
|---|---|
| T0584A | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 272-1339P5 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| A607 | 5/9 Secondary reference Essex Industries, Inc. Dba Essex Industries |
| T0584A | 5/9 Secondary reference U.S. Government activity |
| 49F1-4X1-8 | 3/9 Design control — primary reference Imperial |
NSN 4730-00-684-4047 is a Elbow,pipe to Tube, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-684-4047 has 1 manufacturer part number on file: Y54-22 (Ingersoll-Rand Company Dba Ingersoll-Rand).
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-068-1534, 5120-01-426-7964, 6635-01-698-9074. Verify interchangeability with system specifications before substitution.
Key specifications for Y54-22: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 18 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.