The Valve,angle, cataloged under National Stock Number 4820-01-188-1206, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-188-1206 |
| Primary Part Number | F03-2075B-05TS |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 2.625 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Specification/standard Data | 81349-MIL-V-22094 GOVERNMENT SPECIFICATION |
| Second Connection Face to Centerline Distance | 2.000 INCHES IN |
| Nondefinitive Spec/std Data | 1/2 SIZE |
| Nominal Outside Diameter | 3.750 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Material | STEEL COMP 4140 BODY |
| Raised Face Nominal Diameter | 1.375 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Nominal Thickness | 0.500 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 |
|---|---|
| F03-2075B-05TS PRIMARY | Velan Valve Corp. (USA) |
| 33311-30 1/2IN | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| MIL-V-22094 | 4/1 Identification reference U.S. Government activity |
| 33311-30 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 4820-01-188-1206 is a Valve,angle, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-188-1206 has 2 manufacturer part numbers on file: F03-2075B-05TS (Velan Valve Corp.), 33311-30 1/2IN (Velan Valve Corp.).
Key specifications for F03-2075B-05TS: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 2.625 INCHES ALL ENDS IN. 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.