The Valve,y, cataloged under National Stock Number 4820-01-067-5220, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-067-5220 |
| Item Name | Valve,y |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 4.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU Y-PATTERN FLANGED ENDS |
| Material Document and Classification | 6,AISI 410/SAE 515410 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-764,COMP 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 2.000 INCHES IN |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 120.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 6.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 10.250 INCHES IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | STEEL BODY |
| Material | STEEL COMP 410 FLOW CONTROL DEVICE |
| Material | STEEL COMP 303 SEAT |
| Raised Face Nominal Diameter | 3.625 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Nominal Thickness | 7.500 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 |
| Reference | Meaning |
|---|---|
| D2813590001 | 5/9 Secondary reference U.S. Government activity |
| 281359-0002 | 3/2 Design control — primary reference U.S. Government activity |
| 281359-0001 | 5/9 Secondary reference U.S. Government activity |
| SPV82BA | D/9 Drawing number reference only U.S. Government activity |
| SPV82BA281359-0001REVD | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-067-5220 is a Valve,y, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-131-3307. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-067-5220: Flow Control Device: POPPET; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 4.750 INCHES ALL ENDS 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.