The Valve,ball, cataloged under National Stock Number 4820-01-727-6211, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-727-6211 |
| Primary Part Number | T58570NS.5-IN |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Flange Face Design | PLAIN ALL ENDS |
| Nominal Length | 5.190 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM 124 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE AND STM B16 COMMERCIAL ITEM DESCRIPTION SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTMB 584 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 0.500 INCHES IN |
| Face to Face Distance | 2.440 INCHES IN |
| Material | BRONZE BODY |
| Material | COBALT ALLOY 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 |
|---|---|
| T58570NS.5-IN PRIMARY | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA) |
NSN 4820-01-727-6211 is a Valve,ball, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-727-6211 has 1 manufacturer part number on file: T58570NS.5-IN (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).
Key specifications for T58570NS.5-IN: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Flange Face Design: PLAIN ALL ENDS; Nominal Length: 5.190 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU. 11 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.