The Flange,pipe,swivel Retaining, cataloged under National Stock Number 4730-01-305-2153, 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 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-305-2153 |
| 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,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE |
| Socket Depth | 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Maximum Operating Temp and Media for Which Designed | 275.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF |
| Tube Outside Diameter for Which Designed | 1.000 INCHES NOMINAL IN |
| Operating Pressure and Type | 1500.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS |
| Flange Section Style | PLAIN FACE, SOCKET NECK |
| Style Designator | SQUARE, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.205 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 96906-MS20756 GOVERNMENT STANDARD |
| Recess Diameter | 1.510 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 1.855 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Flange Width | 1.750 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| SAE-AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| MS20756-J16 | 2/2 Government specification standardization U.S. Government activity |
| AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-305-2153 is a Flange,pipe,swivel Retaining, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-305-2153: Face Seating Surface Condition: MACHINED; Surface Treatment Document and Classification: QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE; Socket Depth: 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Maximum Operating Temp and Media for Which Designed: 275.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF. 18 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.