The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-491-7430, 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 Tfp Corp Dba Tru-Weld Stud Welding Div. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-491-7430 |
| Primary Part Number | 660045 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tfp Corp Dba Tru-Weld Stud Welding Div |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RECESSED STRAIGHT SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Length | 2.262 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.700 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.281 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Leg Length | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.350 INCHES MINIMUM AND 1.370 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Bolt Hole Quantity | 2 SECOND END |
| Nominal Width | 1.350 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Material | STEEL COMP 347 OVERALLUNABLE TO DECODE |
| Thread Series Designator | UNF FIRST END |
| Nominal Thickness | 0.150 INCHES SECOND END IN |
| Recess Nominal Diameter | 0.800 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 |
|---|---|
| 660045 | Enjet Aero Bloomfield, Llc (USA) |
| 660045 | Federal Industries, Inc. Dba Federal Industries Inc (USA) |
| 660045 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 660045 | Jobin Machine Inc. (USA) |
| 660045 PRIMARY | Tfp Corp Dba Tru-Weld Stud Welding Div (USA) |
| Reference | Meaning |
|---|---|
| 660045 | 5/9 Secondary reference National Aerospace Corp |
| 660045 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 660045 | 5/9 Secondary reference Lucid Mfg Co Div of Birken Mfg Co |
NSN 4730-00-491-7430 is a Elbow,flange to Tube, manufactured by Tfp Corp Dba Tru-Weld Stud Welding Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-491-7430 has 5 manufacturer part numbers on file: 660045 (Enjet Aero Bloomfield, Llc), 660045 (Federal Industries, Inc. Dba Federal Industries Inc), 660045 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 660045 (Jobin Machine Inc.), 660045 (Tfp Corp Dba Tru-Weld Stud Welding Div).
Key specifications for 660045: Flange Shape: OVAL WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: RECESSED STRAIGHT SECOND END; Connection Style: FLARED (TUBE) FIRST END. 22 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.