The Valve,ball, cataloged under National Stock Number 4820-01-421-9726, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-9726 |
| Primary Part Number | 3310161000 ITEM 10 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | UNION |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 316 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2515564000 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 3310161000 ITEM 10 PRIMARY | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 3310161000 | D/9 Drawing number reference only Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| 21-121-3 | 5/9 Secondary reference Lance Valves Inc |
NSN 4820-01-421-9726 is a Valve,ball, manufactured by Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-9726 has 2 manufacturer part numbers on file: 2515564000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 3310161000 ITEM 10 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc).
Key specifications for 3310161000 ITEM 10: Furnished Items and Quantity: 1 HANDLE; Connection Style: SOCKET (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 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.
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.