The Flange,pipe,swivel Retaining, cataloged under National Stock Number 4730-00-255-0560, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-255-0560 |
| Primary Part Number | 903158C1 |
| Item Name | Flange,pipe,swivel Retaining |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | CANCELLED |
| Criticality Code Justification | FEAT |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.808 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Bolt Hole Diameter | 0.469 INCHES NOMINAL IN |
| Flange Length | 3.120 INCHES NOMINAL IN |
| Flange Section Style | RECESSED FACE, RAISED NECK |
| Center to Center Distance Between Bolt Holes Along Width | 1.120 INCHES NOMINAL IN |
| Flange Width | 2.780 INCHES NOMINAL IN |
| Material | STEEL |
| Neck Height | 0.320 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.830 INCHES NOMINAL IN |
| Recess Diameter | 2.031 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Length | 2.312 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| Face Seating Surface Condition | GROUND |
| Thickness | 0.562 INCHES NOMINAL IN |
| Recess Depth | 0.295 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 903158C1 | Rtx Corporation Div Pratt & Whitney (USA) |
| A2399-20ZK | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| LT1-1266 | Anthony York Co (USA) |
| 2522-20 | Parker Hannifin Corporation Div Fluid Connector Service Center - Louisville (USA) |
| MS39294-20 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| M52525/16-20 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-52525/16 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M52525/16-20G | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-52525 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-52525 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 921117 | Allis-Chalmers Corp Implement Div (USA) |
| 2522-20 | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| J518BFIG4 | Sae International Dba Sae International (USA) |
| J518BFIG4 | Society of Automotive Engineers Inc (USA) |
NSN 4730-00-255-0560 is a Flange,pipe,swivel Retaining, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-255-0560 has 14 cross-referenced part numbers: 903158C1 (Rtx Corporation Div Pratt & Whitney), A2399-20ZK (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), LT1-1266 (Anthony York Co), 2522-20 (Parker Hannifin Corporation Div Fluid Connector Service Center - Louisville), MS39294-20 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.
There are 12 known substitutes for 4730-00-255-0560: 4730-00-089-3406, 4730-00-116-5229, 4730-00-400-6544 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 903158C1: Criticality Code Justification: FEAT; Outside Edge to Bolt Hole Center Distance Along Width: 0.808 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE; Bolt Hole Diameter: 0.469 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-255-0560 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.