The Valve,ball, cataloged under National Stock Number 4820-01-660-8635, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Legend Valve and Fitting Inc. Government technical data includes 7 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 | 4820-01-660-8635 |
| Primary Part Number | 101-227 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Legend Valve and Fitting Inc |
| Status | ACTIVE |
| Material Document and Classification | ASTM B124 UNS C37700 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM B16 UNS C83600 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 600.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.50 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY 836 BODY |
| Material | COPPER ALLOY 377 FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 101-227 PRIMARY | Legend Valve and Fitting Inc (USA) |
NSN 4820-01-660-8635 is a Valve,ball, manufactured by Legend Valve and Fitting Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-660-8635 has 1 manufacturer part number on file: 101-227 (Legend Valve and Fitting Inc).
Key specifications for 101-227: Material Document and Classification: ASTM B124 UNS C37700 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material Document and Classification: ASTM B16 UNS C83600 ASSN STD SINGLE MATERIAL RESPONSE BODY; Operating Pressure: 600.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 1.50 INCHES IN. 7 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.