The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-678-3913, 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 A I M Precision Machining Co Inc. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-678-3913 |
| Primary Part Number | 454216 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | A I M Precision Machining Co Inc |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Nominal Length | 2.000 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.500 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Bolt Hole Nominal Diameter | 0.281 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST ENDUNABLE TO DECODE IN |
| Leg Length | 0.764 INCHES MINIMUM AND 0.780 INCHES MAXIMUM SECOND END IN |
| Leg Length | 0.768 INCHES MINIMUM AND 0.782 INCHES MAXIMUM FIRST END IN |
| Reduced Passage Nominal Inside Diameter | 0.250 INCHES SECOND ENDUNABLE TO DECODE IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 12.5 DEGREES FIRST END |
| Bolt Hole Quantity | 2 SECOND END |
| Nominal Width | 1.250 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Material | ALUMINUM ALLOY ELBOWUNABLE TO DECODE |
| Thread Series Designator | UNF FIRST END |
| Raised Face Nominal Diameter | 0.688 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.375 INCHES SECOND END IN |
| Nominal Thickness | 0.125 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 |
|---|---|
| 454216 | Mcgill Aircraft Parts, Inc. (USA) |
| 454216 PRIMARY | A I M Precision Machining Co Inc (USA) |
| 454216 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 454216 | 5/9 Secondary reference Sterling Tool Inc |
| 454216 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 454216 | 5/9 Secondary reference General Electric Co Apparatus Sales Division of Apparatus Group |
NSN 4730-00-678-3913 is a Elbow,flange to Tube, manufactured by A I M Precision Machining Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-678-3913 has 3 manufacturer part numbers on file: 454216 (Mcgill Aircraft Parts, Inc.), 454216 (A I M Precision Machining Co Inc), 454216 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5996-00-806-9287. Verify interchangeability with system specifications before substitution.
Key specifications for 454216: Flange Shape: OVAL WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT SECOND END; Connection Style: INVERTED FLARE (TUBE) FIRST END. 23 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.