The Disk,valve, cataloged under National Stock Number 4820-00-981-8917, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hammond Valve Corp. Government technical data includes 10 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-981-8917 |
| Primary Part Number | 95090 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hammond Valve Corp |
| Status | ACTIVE |
| Style Designator | PLUG |
| Nominal Thread Size | 1.125 INCHES IN |
| Thread Series Designator | UNS |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| Material Document and Classification | QQ-N-288, COMPA FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY |
| Pressure Rating | 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-981-8917 is a Disk,valve, manufactured by Hammond Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-981-8917 has 3 cross-referenced part numbers: 95090 (Hammond Valve Corp), V2632Y (Hammond Valve Corp), 95090 (Lunkenheimer Co).
There are 7 known substitutes for 4820-00-981-8917: 5950-00-004-4996, 6610-00-243-2099, 1620-00-370-7172 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 95090: Style Designator: PLUG; Nominal Thread Size: 1.125 INCHES IN; Thread Series Designator: UNS; Overall Height: 0.984 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.