The Disk,valve, cataloged under National Stock Number 4820-01-531-1122, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Superior Compressor Company Dba Grimmer Schmidt Smith Compressors. Government technical data includes 5 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 | 4820-01-531-1122 |
| Primary Part Number | 158-37219 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Superior Compressor Company Dba Grimmer Schmidt Smith Compressors |
| Status | ACTIVE |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Bolt Circle Diameter | 1.380 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Material Thickness | 0.180 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-531-1122 is a Disk,valve, manufactured by Superior Compressor Company Dba Grimmer Schmidt Smith Compressors, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-531-1122 has 2 cross-referenced part numbers: 158-37219 (Superior Compressor Company Dba Grimmer Schmidt Smith Compressors), 37219 (Superior Compressor Company Dba Grimmer Schmidt Smith Compressors).
There are 3 known substitutes for 4820-01-531-1122: 2520-00-915-1430, 4530-00-953-5067, 5315-01-651-6160. Verify interchangeability with system specifications before substitution.
Key specifications for 158-37219: Outside Diameter: 2.750 INCHES NOMINAL IN; Bolt Circle Diameter: 1.380 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: VALVE, BUTTERFLY INLET; Special Features: 316 STAINLESS MATERIAL. 8 total characteristics are documented in the Federal Logistics Information System.