We've received your request for 289U (described as Valve Safety Relief), manufactured by Fisher Controls Co Inc with CAGE code 22508. This part is registered under NSN 4820-00-841-8600, classified in FSG 48 Valves / FSC 4820 Valves Nonpowered. Our verification process will confirm traceability through supporting identifiers including NIIN 00-841-8600, NCB code 00 (origin: USA), and INC 05488. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your 289U requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-841-8600 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 008418600 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 289U | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 1.000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MATT | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| CMLP | THREAD QUANTITY PER INCH | 18 ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY SEAT |
| SFTT | SURFACE TREATMENT | ANODIZE |
| End Use : 21180 | Industrial machines, other |
|---|---|
| Schedule B : 8481400000 (NAICS 332911) | Safety or relief valves |
| SITC : 74740 | Safety or relief valves |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | U - Precious metal content is unknown |
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