The Valve,safety Relief, cataloged under National Stock Number 4820-00-287-3880, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-3880 |
| Primary Part Number | 5-S-1164 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Bolt Hole Nominal Diameter | 0.688 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Bolt Circle Nominal Diameter | 7.812 INCHES FIRST END IN |
| Material | COPPER ALLOY BODY |
| Flange Face Design | PLAIN FIRST END |
| Opening Pressure Setting | 2.0 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Nominal Outside Diameter | 9.062 INCHES FIRST END IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | FLANGE FIRST END |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 10 FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5-S-1164 | Naval Ship Systems Command (USA) |
NSN 4820-00-287-3880 is a Valve,safety Relief, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-287-3880 has 1 cross-referenced part number: 5-S-1164 (Naval Ship Systems Command).
There are 2 known substitutes for 4820-00-287-3880: 5915-00-501-3178, 4820-01-215-1455. Verify interchangeability with system specifications before substitution.
Key specifications for 5-S-1164: Bolt Hole Nominal Diameter: 0.688 INCHES FIRST END IN; Special Features: W/HANDWHEEL FOR OPENING VALVE; Style Designator: STRAIGHT THRU; Bolt Circle Nominal Diameter: 7.812 INCHES FIRST END IN. 16 total characteristics are documented in the Federal Logistics Information System.