The Valve Assembly, cataloged under National Stock Number 4820-01-342-1855, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-342-1855 |
| Primary Part Number | 33281VM |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| End Connection Quantity | 2 |
| Valve Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-342-1855 is a Valve Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-342-1855 has 2 cross-referenced part numbers: 33281VM (Naval Inventory Control Point Mechanicsburg), 33281 (Tate Andale, Llc).
There are 6 known substitutes for 4820-01-342-1855: 3110-00-100-3576, 5340-00-420-2102, 6145-01-089-7188 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 33281VM: Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; End Connection Quantity: 2; Valve Quantity: 2. 3 total characteristics are documented in the Federal Logistics Information System.