The Disk,valve, cataloged under National Stock Number 4820-01-251-5322, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 10 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 | 4820-01-251-5322 |
| Primary Part Number | CV9-S4501-026-8 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Thread Class | 2B |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Nominal Thread Size | 0.840 INCHES IN |
| Material | COPPER ALLOY |
| Thread Series Designator | UNS |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Media for Which Designed | OIL |
| Style Designator | PLUG |
| Thread Quantity Per Inch | 22 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CV9-S4501-026-8 PRIMARY | Naval Ship Systems Command (USA) |
| CV9-S4501-026 | Naval Ship Systems Command (USA) |
NSN 4820-01-251-5322 is a Disk,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-251-5322 has 2 cross-referenced part numbers: CV9-S4501-026-8 (Naval Ship Systems Command), CV9-S4501-026 (Naval Ship Systems Command).
There are 3 known substitutes for 4820-01-251-5322: 4820-01-251-3123, 4820-01-251-5290, 4820-01-262-8427. Verify interchangeability with system specifications before substitution.
Key specifications for CV9-S4501-026-8: Thread Class: 2B; Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Nominal Thread Size: 0.840 INCHES IN; Overall Height: 1.480 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.