The Cartridge,safety Relief Valve, cataloged under National Stock Number 4820-00-983-6208, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lexair Inc. Government technical data includes 1 verified specification, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-983-6208 |
| Primary Part Number | P55837-230 |
| Item Name | Cartridge,safety Relief Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Lexair Inc |
| Status | CANCELLED |
| General Characteristics Item Description | CRES BODY W/STEEL SEATING SURFACE;MEDIA LUBRICATED AIR;230.0 PSI PRESSURE SETTING;THD EXT BOSS MOUNTING,UNF 1.125-12 RH 2A;HEX WRENCHING FACILITY,1.250 IN. FLAT TO FLAT;CARTRIDGE HEAD INTERNALLY THD UNF 0.562-18 RH 2B;2.769 IN. LG A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 156/24 | Wellman Group (GBR) |
| P55837-0230 | Lexair Inc (USA) |
| P55837-230 PRIMARY | Lexair Inc (USA) |
NSN 4820-00-983-6208 is a Cartridge,safety Relief Valve, manufactured by Lexair Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-983-6208 has 3 cross-referenced part numbers: 156/24 (Wellman Group), P55837-0230 (Lexair Inc), P55837-230 (Lexair Inc).
There are 9 known substitutes for 4820-00-983-6208: 5365-00-424-3777, 4720-00-720-4091, 5330-00-817-4345 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for P55837-230: General Characteristics Item Description: CRES BODY W/STEEL SEATING SURFACE;MEDIA LUBRICATED AIR;230.0 PSI PRESSURE SETTING;THD EXT BOSS MOUNTING,UNF 1.125-12 RH 2A;HEX WRENCHING FACILITY,1.250 IN. FLAT TO FLAT;CARTRIDGE HEAD INTERNALLY THD UNF 0.562-18 RH 2B;2.769 IN. LG A. 1 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-983-6208 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.