The Disk,valve, cataloged under National Stock Number 4820-01-291-5317, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-291-5317 |
| Primary Part Number | 2577-056-122 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Taper Length | 1.937 INCHES NOMINAL IN |
| Temp Rating | 1000.0 FAHRENHEIT NOMINAL DEGF |
| Media for Which Designed | OIL OR WATER |
| Taper Minor Diameter | 0.719 INCHES NOMINAL IN |
| Seat Angle | 14.0 DEGREES NOMINAL |
| Material | STEEL CORROSION RESISTING |
| Style Designator | SOLID WEDGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2577-67-69 | Velan Valve Corp. (USA) |
| 23379 | Velan Valve Corp. (USA) |
| 2577-056-122 PRIMARY | Velan Valve Corp. (USA) |
NSN 4820-01-291-5317 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-291-5317 has 3 cross-referenced part numbers: 2577-67-69 (Velan Valve Corp.), 23379 (Velan Valve Corp.), 2577-056-122 (Velan Valve Corp.).
There are 11 known substitutes for 4820-01-291-5317: 3020-00-006-6730, 5136-00-197-9534, 5985-00-256-9113 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2577-056-122: Taper Length: 1.937 INCHES NOMINAL IN; Temp Rating: 1000.0 FAHRENHEIT NOMINAL DEGF; Media for Which Designed: OIL OR WATER; Taper Minor Diameter: 0.719 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.