The Valve,angle, cataloged under National Stock Number 4820-01-021-9239, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carrier Corp. Government technical data includes 26 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-021-9239 |
| Primary Part Number | 90C01-4622 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Nominal Pipe Size Accommodated | 4.000 INCHES SECOND END IN |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | BEVELED (PIPE) SECOND END |
| Nominal Length | 6.500 INCHES FIRST END IN |
| Connection Type | BUTT WELD PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 0.312 INCHES FIRST END IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 4.812 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | PAINT |
| Bonnet Attachment Method | BOLTED |
| Nominal Width | 6.500 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 4.812 INCHES FIRST END IN |
| Material | PLASTIC POLYAMIDE NYLON SEAT |
| Material | STEEL STEM |
| Material | IRON CAST BODY |
| Material | IRON ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 2.062 INCHES FIRST 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 |
|---|---|
| 90C01-4622 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 4820PL0990300 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| M585-ZNNC | 5/9 Secondary reference Henry Technologies, Inc. |
| M585-ZT | 5/9 Secondary reference Henry Technologies, Inc. |
| SK5166-N | D/9 Drawing number reference only Henry Technologies, Inc. |
| 5MH120-434ITEM6 | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
NSN 4820-01-021-9239 is a Valve,angle, manufactured by Carrier Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-021-9239 has 1 manufacturer part number on file: 90C01-4622 (Carrier Corp).
Key specifications for 90C01-4622: Flow Control Device: DISK; Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Shape: RECTANGULAR WITH HOLES FIRST END; Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN. 26 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.