The Valve,globe, cataloged under National Stock Number 4820-01-541-4658, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-541-4658 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | CANCELLED |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM 276,TYPE 316-CANCELED ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM 276,TYPE 316-CANCELED ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A351,GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A351,GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Operating Pressure | 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | STEEL SEAT |
| Material | STEEL COMP 316 STEM |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SS845-1889567ASSYA1-2IN | E/8 Replaced / superseded reference Naval Sea Systems Command |
| 2177525 | D/9 Drawing number reference only U.S. Government activity |
| RY273C | E/8 Replaced / superseded reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 803-2177525-S311 | E/8 Replaced / superseded reference U.S. Government activity |
| 803-2177525-S3A1AF | 3/2 Design control — primary reference U.S. Government activity |
| 810-2177525 | E/8 Replaced / superseded reference U.S. Government activity |
| 803-2177525 | E/8 Replaced / superseded reference U.S. Government activity |
| 810-2177525S311 | E/8 Replaced / superseded reference U.S. Government activity |
| 2620-906PCASSYAG | E/8 Replaced / superseded reference U.S. Government activity |
| SS845-1889567 | E/8 Replaced / superseded reference Naval Sea Systems Command |
NSN 4820-01-541-4658 is a Valve,globe, classified under FSC 4820, Valves, Nonpowered. Status: cancelled.
Key specifications for 4820-01-541-4658: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 21 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.
NSN 4820-01-541-4658 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.