The Disk,valve, cataloged under National Stock Number 4820-00-646-8286, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-646-8286 |
| Primary Part Number | 8062572 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Outside Diameter | 3.375 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY 230 |
| Under Flange Height | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-601 FED SPEC SINGLE MATERIAL RESPONSE |
| Style Designator | SWING CHECK |
| Inside Diameter | 2.438 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8062572 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 3871L | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 3871-L-160 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 4820-00-646-8286 is a Disk,valve, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-646-8286 has 3 cross-referenced part numbers: 8062572 (Us Army Aviation and Missile Command), 3871L (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 3871-L-160 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
There are 2 known substitutes for 4820-00-646-8286: 4820-01-386-4539, 2610-01-531-6214. Verify interchangeability with system specifications before substitution.
Key specifications for 8062572: Outside Diameter: 3.375 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN; Material: COPPER ALLOY 230; Under Flange Height: 0.750 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.