The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-804-5622, 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 The Wilkins Co Inc. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-804-5622 |
| Primary Part Number | 404414 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Wilkins Co Inc |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Nominal Length | 2.406 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.281 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.312 INCHES FIRST ENDUNABLE TO DECODE IN |
| Leg Length | 1.170 INCHES MINIMUM AND 1.210 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.203 INCHES MINIMUM AND 1.290 INCHES MAXIMUM SECOND END IN |
| Reduced Passage Nominal Inside Diameter | 0.849 INCHES SECOND ENDUNABLE TO DECODE IN |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Seat Angle | 28.00 DEGREES AND 33.0 DEGREES FIRST END |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.672 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Surface Treatment | ANODIZE OVERALLUNABLE TO DECODE |
| Nominal Width | 2.406 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.672 INCHES SECOND END IN |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSEUNABLE TO DECODE |
| Thread Class | 2A FIRST END A |
| Thread Series Designator | UNF FIRST END |
| Raised Face Nominal Diameter | 1.072 INCHES SECOND ENDUNABLE TO DECODE IN |
| Raised Face Nominal Height | 0.160 INCHES SECOND END IN |
| Nominal Thickness | 0.203 INCHES SECOND 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 |
|---|---|
| 404414 PRIMARY | The Wilkins Co Inc (USA) |
| 404414 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 404414 PRIMARY | Motorola Canada Ltd (CAN) |
| Reference | Meaning |
|---|---|
| 404414 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 404414 | 5/9 Secondary reference General Electric Co Apparatus Sales Division of Apparatus Group |
NSN 4730-00-804-5622 is a Elbow,flange to Tube, manufactured by The Wilkins Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-804-5622 has 3 manufacturer part numbers on file: 404414 (The Wilkins Co Inc), 404414 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 404414 (Motorola Canada Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-474-4281. Verify interchangeability with system specifications before substitution.
Key specifications for 404414: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 45.0 DEGREES; Flange Face Design: RAISED STRAIGHT SECOND END; Connection Style: INVERTED FLARE (TUBE) FIRST END. 26 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.