The Valve,safety Relief, cataloged under National Stock Number 4820-00-905-5491, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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 | 4820-00-905-5491 |
| Primary Part Number | 9523CP |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Connection Style | SOCKET (TUBE) FIRST END |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Disk Loading Method | SPRING |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Connection Style | SOCKET (TUBE) SECOND END |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Adjustable Pressure Range | +1551.0 TO 1900.0 POUNDS PER SQUARE INCH LBS |
| Style Designator | ANGLE |
| Features Provided | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Flow Control Device | DISK |
| Bonnet Attachment Method | THREADED |
| Criticality Code Justification | ZZZY |
| Bonnet Type | INSIDE SPRING |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-905-5491 is a Valve,safety Relief, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-905-5491 has 2 cross-referenced part numbers: 9523CP (Naval Inventory Control Point Mechanicsburg), 9523 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 7 known substitutes for 4820-00-905-5491: 5120-00-180-0779, 6145-00-643-0463, 4820-01-050-9077 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9523CP: Connection Style: SOCKET (TUBE) FIRST END; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Disk Loading Method: SPRING; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.