The Valve,ball, cataloged under National Stock Number 4820-01-667-3544, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Legend Valve and Fitting Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-667-3544 |
| Primary Part Number | 101-525 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Legend Valve and Fitting Inc |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Valve Size | 1.000 INCHES IN |
| Material | COPPER ALLOY STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | COPPER ALLOY BODY |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Face to Face Distance | 3.370 INCHES IN |
| Material | ALUMINUM FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 101-525 PRIMARY | Legend Valve and Fitting Inc (USA) |
| T-900MXF-1.000IN | Legend Valve and Fitting Inc (USA) |
NSN 4820-01-667-3544 is a Valve,ball, manufactured by Legend Valve and Fitting Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-667-3544 has 2 cross-referenced part numbers: 101-525 (Legend Valve and Fitting Inc), T-900MXF-1.000IN (Legend Valve and Fitting Inc).
There are 8 known substitutes for 4820-01-667-3544: 5826-00-010-1527, 5306-00-270-7371, 2930-00-629-2052 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 101-525: Valve Operation Method: MANUAL; Valve Size: 1.000 INCHES IN; Material: COPPER ALLOY STEM; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT. 9 total characteristics are documented in the Federal Logistics Information System.