The Disk,valve, cataloged under National Stock Number 4820-01-073-6391, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 4820-01-073-6391 |
| Primary Part Number | D-1866 PC 3 3IN B |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Outside Diameter | 3.750 INCHES NOMINAL IN |
| Style Designator | SOLID |
| Material | TITANIUM ALLOY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D-1866 PC 3 3IN B PRIMARY | Hunt Valve Company, Inc. (USA) |
| D1866 PIECE 3 3 | P J Valves Inc (USA) |
| D-1866 PIECE 3 3IN B | P J Valves Inc (USA) |
| D-1866 | P J Valves Inc (USA) |
| B1889 | P J Valves Inc (USA) |
NSN 4820-01-073-6391 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-073-6391 has 5 cross-referenced part numbers: D-1866 PC 3 3IN B (Hunt Valve Company, Inc.), D1866 PIECE 3 3 (P J Valves Inc), D-1866 PIECE 3 3IN B (P J Valves Inc), D-1866 (P J Valves Inc), B1889 (P J Valves Inc).
There are 6 known substitutes for 4820-01-073-6391: 5340-00-392-7726, 4820-01-073-5845, 4820-01-090-9722 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for D-1866 PC 3 3IN B: Outside Diameter: 3.750 INCHES NOMINAL IN; Overall Height: 0.500 INCHES NOMINAL IN; Style Designator: SOLID; Material: TITANIUM ALLOY. 5 total characteristics are documented in the Federal Logistics Information System.