The Valve,ball, cataloged under National Stock Number 4820-01-361-3242, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-361-3242 |
| Primary Part Number | 4687579 ASSY IBL1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY STEM |
| Material | PLASTIC SEAT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4687579 ASSY IBL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-4687579 ASSEMBLY IBL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2642-773-05 ASSEMBLY IBL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 845-4687579 ASSEMBLY IB | 3/1 Design control — primary reference U.S. Government activity |
| 2642-773-05 ASSEMBLY IB | 5/1 Secondary reference U.S. Government activity |
| 4687579 ASSY IB | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-361-3242 is a Valve,ball, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-361-3242 has 3 manufacturer part numbers on file: 4687579 ASSY IBL1 (Naval Inventory Control Point Mechanicsburg), 845-4687579 ASSEMBLY IBL1 (Naval Inventory Control Point Mechanicsburg), 2642-773-05 ASSEMBLY IBL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4687579 ASSY IBL1: Furnished Items and Quantity: 1 HANDWHEEL; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Criticality Code Justification: ZZZY. 12 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 4820-01-361-3242 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.