The Valve,ball, cataloged under National Stock Number 4820-01-334-0892, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-334-0892 |
| Primary Part Number | 6405342 ASSY 99C1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LEVER |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | NITROGEN, GASEOUS SINGLE RESPONSE |
| Material | NICKEL ALLOY STEM |
| Material | PLASTIC SEAT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS AND REQUIRESCLEANING, PACKING, AND MARKING IAW MIL-STD-1330 |
| 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 |
|---|---|
| 6405342 ASSY 99C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211003328C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6405342 ASSEMBLY 99C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 6405342 ASSY 99 | 5/1 Secondary reference Naval Sea Systems Command |
| 801-6405342 ASSEMBLY 99 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 211003328 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-334-0892 is a Valve,ball, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-334-0892 has 3 manufacturer part numbers on file: 6405342 ASSY 99C1 (Naval Inventory Control Point Mechanicsburg), 211003328C1 (Naval Inventory Control Point Mechanicsburg), 801-6405342 ASSEMBLY 99C1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 6405342 ASSY 99C1: Furnished Items and Quantity: 1 LEVER; Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Criticality Code Justification: ZZZY. 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.
NSN 4820-01-334-0892 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.