The Elbow,flange, cataloged under National Stock Number 4730-00-796-4972, 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 Goodrich Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-796-4972 |
| Primary Part Number | 171229 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Recess Nominal Depth | 0.064 INCHES FIRST END IN |
| Flange Shape | ROUND ALL ENDS |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Connection Type | FLANGE ALL ENDS |
| Leg Length | 2.125 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.750 INCHES NOMINAL FIRST END IN |
| Nominal Outside Diameter | 3.188 INCHES SECOND END IN |
| Nominal Outside Diameter | 4.188 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OUTSIDE |
| Surface Treatment | ANODIZE AND PAINT INSIDE |
| Material | ALUMINUM ALLOY OVERALL |
| Raised Face Nominal Diameter | 2.448 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.103 INCHES SECOND END IN |
| Nominal Thickness | 0.260 INCHES SECOND END IN |
| Nominal Thickness | 0.205 INCHES FIRST END IN |
| Recess Nominal Diameter | 3.875 INCHES FIRST 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 |
|---|---|
| 171229 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 171229 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 171229 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 171229 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 171229 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 4730-00-796-4972 is a Elbow,flange, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-796-4972 has 1 manufacturer part number on file: 171229 (Goodrich Corporation).
Key specifications for 171229: Recess Nominal Depth: 0.064 INCHES FIRST END IN; Flange Shape: ROUND ALL ENDS; Flow Angle: 45.0 DEGREES; Flange Face Design: RAISED STRAIGHT SECOND END. 17 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.