The Valve,safety Relief, cataloged under National Stock Number 4820-00-087-2093, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-087-2093 |
| Primary Part Number | 40155E |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING SEAT |
| Style Designator | STRAIGHT THRU |
| Opening Pressure Setting | 140.0 POUNDS PER SQUARE INCH LBS |
| Material | ALUMINUM ALLOY BODY |
| Adjustable Pressure Range | +120.0 TO 160.0 POUNDS PER SQUARE INCH LBS |
| Nominal Pipe Size Accommodated | 1.500 INCHES SECOND END IN |
| Features Provided | VALVE STEM LOCK SHIELD |
| Surface Treatment | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Connection Style | SOCKET FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | SPRING |
| Material | STEEL CORROSION RESISTING STEM |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55AF-1 | Griswold Industries Dba Cla-Val Co (USA) |
| 43205 | Griswold Industries Dba Cla-Val Co (USA) |
| 40155-1-1/2-55AF-1 | Griswold Industries Dba Cla-Val Co (USA) |
| 40155E PRIMARY | Griswold Industries Dba Cla-Val Co (USA) |
| 40155 PRIMARY | Griswold Industries Dba Cla-Val Co (USA) |
NSN 4820-00-087-2093 is a Valve,safety Relief, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-087-2093 has 5 cross-referenced part numbers: 55AF-1 (Griswold Industries Dba Cla-Val Co), 43205 (Griswold Industries Dba Cla-Val Co), 40155-1-1/2-55AF-1 (Griswold Industries Dba Cla-Val Co), 40155E (Griswold Industries Dba Cla-Val Co), 40155 (Griswold Industries Dba Cla-Val Co).
There are 12 known substitutes for 4820-00-087-2093: 2835-00-015-0290, 3110-00-144-8518, 3455-00-231-3484 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40155E: Material: STEEL CORROSION RESISTING SEAT; Style Designator: STRAIGHT THRU; Opening Pressure Setting: 140.0 POUNDS PER SQUARE INCH LBS; Material: ALUMINUM ALLOY BODY. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-087-2093 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.