The Adapter,straight,flange to Flang, cataloged under National Stock Number 4730-01-571-0569, 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 The Boeing Company Div Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-571-0569 |
| Primary Part Number | 520-13550-2 |
| Item Name | Adapter,straight,flange to Flang |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Face Design | PLAIN ALL ENDS |
| Nominal Width Across Flats | 1.870 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 5.000 INCHES ALL ENDS IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.450 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.320 INCHES ALL ENDS IN |
| Criticality Code Justification | FEAT |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Quantity | 7 ALL ENDS |
| Flange Shape | TRIANGULAR WITH HOLES ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10-20087-7 | The Boeing Company Div Defense (USA) |
| 300 | Palmer Co the (USA) |
| 38122 | American Fuel Cell and Coated Fabrics Company, Llc (USA) |
| 5A1084 | Bfgoodrich Co the Aerospace Div Engineered Polymer Products (USA) |
| 520-13550-2 PRIMARY | The Boeing Company Div Defense (USA) |
| 27314-2 | Fmh Aerospace Corp. (USA) |
NSN 4730-01-571-0569 is a Adapter,straight,flange to Flang, manufactured by The Boeing Company Div Defense, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-571-0569 has 6 cross-referenced part numbers: 10-20087-7 (The Boeing Company Div Defense), 300 (Palmer Co the), 38122 (American Fuel Cell and Coated Fabrics Company, Llc), 5A1084 (Bfgoodrich Co the Aerospace Div Engineered Polymer Products), 520-13550-2 (The Boeing Company Div Defense) and 1 more.
There are 3 known substitutes for 4730-01-571-0569: 5307-01-074-6928, 5120-01-581-0825, 1560-01-724-7609. Verify interchangeability with system specifications before substitution.
Key specifications for 520-13550-2: End Item Identification: B-52 AIRCRAFT; Flange Face Design: PLAIN ALL ENDS; Nominal Width Across Flats: 1.870 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: COUPLING TOLERANCE. 12 total characteristics are documented in the Federal Logistics Information System.