Part detail
Valve Stop Check
1221NSN4820-00-138-3854CAGE30263
Valve Stop Check
Detailed description
1221 procurement notes
Valve Stop Check
Specifications
Reference data
Multi-line procurement
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Compliance
- AS9120:2025· Aerospace QMS
- ISO 9001:2015· Quality Management
- FAA AC 00-56B· Voluntary Industry Distributor Accreditation
- U.S. ONLY· Fulfillment
NSN Information for Part Number 1221 with NSN 4820-00-138-3854, 4820001383854
Characteristics Data of NSN 4820-00-138-3854, 4820001383854
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | OUTSIDE SCREW-YOKE |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CBBL | FEATURES PROVIDED | BONNET PACKING |
| CCFG | VALVE SIZE | 2.500 INCHES |
| CQGM | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.000 INCHES ALL ENDS |
| CWCF | FACE TO FACE DISTANCE | 8.500 INCHES |
| CWCK | NOMINAL THICKNESS | 0.875 INCHES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS |
| CWDL | RAISED FACE NOMINAL DIAMETER | 4.125 INCHES ALL ENDS |
| MATT | MATERIAL | CHROMIUM ALLOY STEM |
| MATT | MATERIAL | COBALT ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | COBALT ALLOY SEAT |
| MATT | MATERIAL | STEEL UNS J03002 BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
| TEST | TEST DATA DOCUMENT | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | D COMPOSITION |