The Flange,pipe,swivel Retaining, cataloged under National Stock Number 4730-01-048-3513, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-048-3513 |
| Item Name | Flange,pipe,swivel Retaining |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Tube Outside Diameter for Which Designed | 1.250 INCHES NOMINAL IN |
| Flange Section Style | PLAIN RECESSED FACE |
| Style Designator | SQUARE, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.266 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-764,CLASS 303 SE FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764,CLASS 303 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,CLASS 304L FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763,CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 FED SPEC 3RD MATERIAL RESPONSE |
| Recess Depth | 0.136 INCHES NOMINAL IN |
| Specification/standard Data | 81205-BACF22AH MANUFACTURERS STANDARD |
| Recess Diameter | 1.854 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.342 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Flange Width | 2.188 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.234 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 |
| Reference | Meaning |
|---|---|
| AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| MS20756-J20 | 2/2 Government specification standardization U.S. Government activity |
| SAE-AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| BACF22AH20 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-048-3513 is a Flange,pipe,swivel Retaining, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-048-3513: Face Seating Surface Condition: MACHINED; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Tube Outside Diameter for Which Designed: 1.250 INCHES NOMINAL IN; Flange Section Style: PLAIN RECESSED FACE. 16 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.