The Sleeve,flared,tube Fitting, cataloged under National Stock Number 4730-01-334-4137, 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 Sae International Dba Sae International. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-334-4137 |
| Primary Part Number | AS3220D32 |
| Item Name | Sleeve,flared,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Seat Angle in Deg | 33.0 |
| Style Designator | SLEEVE |
| Sleeve Outside Diameter | 2.159 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Flange Width | 0.422 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Flange Outside Diameter | 2.411 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 2.000 INCHES NOMINAL 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 |
|---|---|
| AS3220D32 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS3220-32 | 5/9 Secondary reference Sae International Dba Sae International |
| AS3220-32 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-334-4137 is a Sleeve,flared,tube Fitting, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-334-4137 has 1 manufacturer part number on file: AS3220D32 (Sae International Dba Sae International).
Key specifications for AS3220D32: Seat Angle in Deg: 33.0; Style Designator: SLEEVE; Overall Length: 1.204 INCHES NOMINAL IN; Sleeve Outside Diameter: 2.159 INCHES NOMINAL IN. 8 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.