The Valve,globe, cataloged under National Stock Number 4820-00-449-6121, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-449-6121 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Connection Style | SOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES FIRST END IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKINGBONNET PACKING |
| Bonnet Type | INSIDE SCREWINSIDE SCREW |
| Bonnet Attachment Method | THREADEDTHREADED |
| Material | STEEL COMP 304 STEM |
| Material | COPPER ALLOY 836 FLOW CONTROL DEVICECOPPER ALLOY 836 SEAT |
| Material | COPPER ALLOY 836 SEATCOPPER ALLOY 836 BODY |
| Material | STEEL COMP 304 STEMCOPPER ALLOY 836 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUALMANUAL |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 1505-1INCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| D654-8-101-103 | 5/2 Secondary reference U.S. Government activity |
| D654-8-101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| F1G1505-1IN | 5/9 Secondary reference Jenkins Bros |
| 1505-1IN | 3/9 Design control — primary reference Jenkins Bros |
NSN 4820-00-449-6121 is a Valve,globe, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-288-7173. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-449-6121: Flow Control Device: DISKDISK; Connection Style: SOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END; Criticality Code Justification: ZZZY; Connection Type: UNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END. 16 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.