The Valve,angle, cataloged under National Stock Number 4820-01-311-9455, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-311-9455 |
| Primary Part Number | 022-05269A |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Recess Nominal Depth | 0.125 INCHES SECOND END IN |
| Flange Shape | RECTANGULAR WITH HOLES ALL ENDS |
| Flange Face Design | RECESSED WITH GASKET GROOVE SECOND END |
| Flange Face Design | RAISED WITH CURVE AND COUNTERBORE FIRST END |
| Nominal Length | 7.000 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.810 INCHES ALL ENDS IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 2.500 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Maximum Operating Temp | 325.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 3.750 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 5.000 INCHES IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Nominal Width | 7.000 INCHES ALL ENDS IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 3.750 INCHES ALL ENDS IN |
| Media for Which Designed | REFRIGERANT, HALOGENATED SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 5.000 INCHES IN |
| Material | IRON ALLOY BODY |
| Raised Face Nominal Diameter | 3.750 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.156 INCHES FIRST END IN |
| Nominal Thickness | 0.688 INCHES ALL ENDS IN |
| Recess Nominal Diameter | 3.780 INCHES SECOND END 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 |
|---|---|
| 022-05269A | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| C254B 2 1/2IN | 3/9 Design control — primary reference Henry Technologies, Inc. |
NSN 4820-01-311-9455 is a Valve,angle, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-311-9455 has 1 manufacturer part number on file: 022-05269A (Johnson Controls Navy Systems, Llc).
Key specifications for 022-05269A: Flow Control Device: STEM; Recess Nominal Depth: 0.125 INCHES SECOND END IN; Flange Shape: RECTANGULAR WITH HOLES ALL ENDS; Flange Face Design: RECESSED WITH GASKET GROOVE SECOND END. 27 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.