The Valve,ball, cataloged under National Stock Number 4820-01-512-1688, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B N L Industries Inc. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-512-1688 |
| Primary Part Number | EBV-F2-20-0003 DET NO 25 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Flange Face Design | PLAIN ALL ENDS |
| Voltage in Volts and Current Type | 120.0 AC |
| Third Connection Face to Centerline Distance | 3.250 INCHES IN |
| Bolt Circle Nominal Diameter | 5.563 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | CROSS FLANGED ENDS |
| Material Document and Classification | ASTM-B-505 ALLOY 922 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | POLYTETRAFLUOROETHYLENE MFR REF SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM-B-505 ALLOY 922 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-N-281 CL.A,C,D FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Bolt Hole Nominal Diameter | 0.444 INCHES ALL ENDS IN |
| Valve Size | 2.240 INCHES IN |
| Nominal Outside Diameter | 2.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 6 ALL ENDS |
| Face to Face Distance | 6.500 INCHES IN |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.469 INCHES ALL ENDS IN |
| Current Rating in Amps | 1.000 |
| 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-F2-20-0003 DET NO 25 PRIMARY | B N L Industries Inc (USA) |
| EBV-F2-20-0003-VALVE ONLY | B N L Industries Inc (USA) |
| EBV-F2-20-0003-25 | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| EBV-F2-20-0003 | D/9 Drawing number reference only B N L Industries Inc |
NSN 4820-01-512-1688 is a Valve,ball, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-512-1688 has 3 manufacturer part numbers on file: EBV-F2-20-0003 DET NO 25 (B N L Industries Inc), EBV-F2-20-0003-VALVE ONLY (B N L Industries Inc), EBV-F2-20-0003-25 (B N L Industries Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4810-01-512-1704, 4810-01-512-1708, 4810-01-512-1715. Verify interchangeability with system specifications before substitution.
Key specifications for EBV-F2-20-0003 DET NO 25: Flange Shape: ROUND WITH HOLES ALL ENDS; Phase: SINGLE; Frequency in Hertz: 60.0; Flange Face Design: PLAIN ALL ENDS. 25 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.