The Piston,valve, cataloged under National Stock Number 4820-01-442-8532, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-442-8532 |
| Primary Part Number | BMC3479 PART 12 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 |
| Status | ACTIVE |
| Inside Diameter | 0.656 INCHES NOMINAL IN |
| Valve Model Number for Which Designed | E-1 |
| Valve Design Control Activity | 23798 |
| Material | COPPER ALLOY |
| Valve Type for Which Designed | VALVE EQUALIZING |
| Material Document and Classification | ASTM B144 ALLOY 3B ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | THREADED |
| Outside Diameter | 1.094 INCHES NOMINAL IN |
| Valve Size for Which Designed | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BMC3479 | Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA) |
| BMC3479 PART 12 PRIMARY | Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA) |
NSN 4820-01-442-8532 is a Piston,valve, manufactured by Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-442-8532 has 2 cross-referenced part numbers: BMC3479 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746), BMC3479 PART 12 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746).
There are 3 known substitutes for 4820-01-442-8532: 4820-01-121-7889, 4820-01-192-1525, 4820-01-509-1343. Verify interchangeability with system specifications before substitution.
Key specifications for BMC3479 PART 12: Inside Diameter: 0.656 INCHES NOMINAL IN; Valve Model Number for Which Designed: E-1; Valve Design Control Activity: 23798; End Item Identification: 3805-01-431-1165; SHIP, OHIO CLASS SSN (TRIDENT). 11 total characteristics are documented in the Federal Logistics Information System.