The Valve,butterfly, cataloged under National Stock Number 4820-01-308-1753, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rolls-Royce Marine North America Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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 | 4820-01-308-1753 |
| Primary Part Number | 24131 BE |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Rolls-Royce Marine North America Inc |
| Status | CANCELLED |
| Nominal Outside Diameter | 4.000 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 3.250 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.438 INCHES ALL ENDS IN |
| Valve Size | 2.500 INCHES IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 1.875 INCHES ALL ENDS IN |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Hole Quantity | 4 ALL ENDS |
| Material | IRON CAST BODY |
| Connection Type | FLANGE ALL ENDS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Material | IRON FLOW CONTROL DEVICE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 24131 BE | Rolls-Royce Marine North America Inc (USA) |
| C8265 2.5IN | Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy (USA) |
| C8265 | Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy (USA) |
| 24131 | Ulstein Bergen A/s (NOR) |
| 24131 | Bergen Engines As (NOR) |
NSN 4820-01-308-1753 is a Valve,butterfly, manufactured by Rolls-Royce Marine North America Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-308-1753 has 5 cross-referenced part numbers: 24131 BE (Rolls-Royce Marine North America Inc), C8265 2.5IN (Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy), C8265 (Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy), 24131 (Ulstein Bergen A/s), 24131 (Bergen Engines As).
There are 12 known substitutes for 4820-01-308-1753: 5310-00-015-3831, 5133-00-189-9285, 6640-00-358-4369 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 24131 BE: Nominal Outside Diameter: 4.000 INCHES ALL ENDS IN; Bolt Circle Nominal Diameter: 3.250 INCHES ALL ENDS IN; Bolt Hole Nominal Diameter: 0.438 INCHES ALL ENDS IN; Valve Size: 2.500 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-308-1753 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.