The Valve,ball, cataloged under National Stock Number 4810-01-509-8903, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is B N L Industries Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-509-8903 |
| Primary Part Number | EBV-F2-20-0002-23 |
| Item Name | Valve,ball |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Style | REDUCED SOCKET WITH ONE BRAZING RING ALL ENDS |
| Bolt Circle Nominal Diameter | 4.438 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Valve Size | 2.000 INCHES IN |
| Nominal Outside Diameter | 5.562 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 6 ALL ENDS |
| Face to Face Distance | 6.500 INCHES IN |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | NICKEL FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.453 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EBV-F2-20-0002-23 PRIMARY | B N L Industries Inc (USA) |
| EBV-F2-20-0002 DET. NO. 23 | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| EBV-F2-20-0002 | D/9 Drawing number reference only B N L Industries Inc |
NSN 4810-01-509-8903 is a Valve,ball, manufactured by B N L Industries Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-509-8903 has 2 manufacturer part numbers on file: EBV-F2-20-0002-23 (B N L Industries Inc), EBV-F2-20-0002 DET. NO. 23 (B N L Industries Inc).
Key specifications for EBV-F2-20-0002-23: Flange Shape: ROUND WITH HOLES ALL ENDS; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Flange Face Design: PLAIN ALL ENDS; Connection Style: REDUCED SOCKET WITH ONE BRAZING RING ALL ENDS. 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.