NSN 4820-01-071-8814 · NIIN 010718814 · FSC 4820
NO DASHES 4820010718814
In Stock
VALVE,SAFETY RELIEF
Valves, Nonpowered
Application: SHIP, OHIO SSN(TRIDENT)
Technical characteristics
32 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | EXPOSED SPRING |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 500.0 |
| AGAV | END ITEM IDENTIFICATION | SHIP, OHIO SSN(TRIDENT) |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ALL ENDS ROUND WITH HOLES |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| CCFG | VALVE SIZE | INCHES 0.500 |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 151.0 TO 180.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 275.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 3.500 |
| CWCK | NOMINAL THICKNESS | ALL ENDS INCHES 0.438 |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | INCHES 3.250 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | ALL ENDS INCHES 0.625 |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | INCHES 3.250 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | ALL ENDS INCHES 2.375 |
| CWDF | FLANGE FACE DESIGN | ALL ENDS RAISED STRAIGHT |
| CWDH | RAISED FACE NOMINAL HEIGHT | ALL ENDS INCHES 0.062 |
| CWDL | RAISED FACE NOMINAL DIAMETER | ALL ENDS INCHES 1.188 |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL COMP 304 |
| MATT | MATERIAL | SEAT STEEL COMP 304 |
| MATT | MATERIAL | STEM STEEL COMP 304 |
| MATT | MATERIAL | BODY STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A216,GRADE WCB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT ASSN STD SINGLE MATERIAL RESPONSE AST- A276,TYE 304 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STEM ASSN STD SINGLE MATERIAL RESPONSE AST- A276,TYE 304 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE AST- A276,TYE 304 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR |
Cross-references
3 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| 20138R51SS | 01343 |
| 20138 | 01343 |
| 20138R51SS | 15187 |
Supersedes
This item replaces cancelled NIIN 014763762. An older drawing citing one of those numbers resolves here.