The Valve,safety Relief, cataloged under National Stock Number 4820-00-169-5316, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-169-5316 |
| Primary Part Number | H3299575 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Flange Face Design | PLAIN SECOND END |
| Renewable Seat Ring Type | THREADED |
| Bolt Circle Nominal Diameter | 7.500 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 1.062 INCHES FIRST END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Flange Face Design | PLAIN FIRST END |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Quantity | 8 FIRST END |
| Bolt Circle Nominal Diameter | 7.500 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 1.062 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 7.688 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Bolt Hole Nominal Diameter | 0.812 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Valve Size | 2.500 INCHES IN |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.812 INCHES SECOND END IN |
| Valve Size | 2.500 INCHES IN |
| Valve Discharge Flow Rate | 63800.0 POUNDS PER HOUR LBS |
| Disk Loading Method | SPRING |
| Flange Face Design | PLAIN FIRST END |
| Bolt Circle Nominal Diameter | 7.688 INCHES SECOND END IN |
| Bolt Hole Quantity | 9 SECOND END |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Nominal Outside Diameter | 9.625 INCHES FIRST END IN |
| Style Designator | ANGLE FLANGED ENDS |
| Nominal Outside Diameter | 9.250 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-169-5316 is a Valve,safety Relief, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-169-5316 has 3 cross-referenced part numbers: H3299575 (Naval Ship Systems Command), 1553 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 5V0G72 (Ashcroft Inc Dba Heise).
There are 3 known substitutes for 4820-00-169-5316: 4820-01-171-5058, 4820-01-171-5077, 3040-01-174-0678. Verify interchangeability with system specifications before substitution.
Key specifications for H3299575: Flange Face Design: PLAIN SECOND END; Renewable Seat Ring Type: THREADED; Bolt Circle Nominal Diameter: 7.500 INCHES FIRST END IN; Bolt Hole Nominal Diameter: 1.062 INCHES FIRST END IN. 30 total characteristics are documented in the Federal Logistics Information System.