The Valve,globe, cataloged under National Stock Number 4820-01-221-5522, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-221-5522 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Flange Shape | ROUND FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Specification/standard Data | 81349-MIL-V-24569/SH/ GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 100 CLASS AND 4 SIZE AND 2 TYPE |
| Bonnet Attachment Method | BOLTED |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| MIL-V-24569 | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-221-5522 is a Valve,globe, classified under FSC 4820, Valves, Nonpowered. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-229-3853, 4820-01-229-3854, 4820-01-229-3855. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-221-5522: Flow Control Device: STEM; Flange Shape: ROUND FIRST END; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Type: FLANGE FIRST END. 11 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.