The Disk,valve, cataloged under National Stock Number 4820-00-833-0775, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clow Corp Marine Valve Products Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 4820-00-833-0775 |
| Primary Part Number | AA1381 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Clow Corp Marine Valve Products Div |
| Status | ACTIVE |
| Thread Class | 2B |
| Thread Series Designator | UN |
| Nominal Thread Size | 2.250 INCHES IN |
| Material | COPPER ALLOY AND STEEL CORROSION RESISTING |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Style Designator | PLUG |
| Thread Quantity Per Inch | 12 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AA1381 PRIMARY | Clow Corp Marine Valve Products Div (USA) |
NSN 4820-00-833-0775 is a Disk,valve, manufactured by Clow Corp Marine Valve Products Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-833-0775 has 1 cross-referenced part number: AA1381 (Clow Corp Marine Valve Products Div).
There are 2 known substitutes for 4820-00-833-0775: 6230-00-507-6089, 6230-00-511-8828. Verify interchangeability with system specifications before substitution.
Key specifications for AA1381: Thread Class: 2B; Overall Height: 4.875 INCHES NOMINAL IN; Thread Series Designator: UN; Nominal Thread Size: 2.250 INCHES IN. 9 total characteristics are documented in the Federal Logistics Information System.