The Valve,safety Relief, cataloged under National Stock Number 4820-01-412-0279, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-412-0279 |
| Primary Part Number | 280041-0032 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Marotta Controls Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Disk Loading Method | SPRING |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Opening Pressure Setting | 185.0 POUNDS PER SQUARE INCH LBS |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| Mounting Facility | THREADED FASTENER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 280041 | Marotta Controls Inc (USA) |
| 283048-0008 ITEM 7 | Marotta Controls Inc (USA) |
| 283048-0008 | Marotta Controls Inc (USA) |
| 280041-0032 PRIMARY | Marotta Controls Inc (USA) |
| 280041-ASSEMBLY 280041-32 | Marotta Controls Inc (USA) |
NSN 4820-01-412-0279 is a Valve,safety Relief, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-412-0279 has 5 cross-referenced part numbers: 280041 (Marotta Controls Inc), 283048-0008 ITEM 7 (Marotta Controls Inc), 283048-0008 (Marotta Controls Inc), 280041-0032 (Marotta Controls Inc), 280041-ASSEMBLY 280041-32 (Marotta Controls Inc).
There are 5 known substitutes for 4820-01-412-0279: 5360-00-027-8469, 5945-00-259-6446, 5340-00-359-0439 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 280041-0032: Flow Control Device: POPPET; Disk Loading Method: SPRING; Media for Which Designed: AIR SINGLE RESPONSE; Opening Pressure Setting: 185.0 POUNDS PER SQUARE INCH LBS. 9 total characteristics are documented in the Federal Logistics Information System.