At Jet Force Aero, we provide a comprehensive catalog of parts organized under the NSN 4820-00-555-1221, all of which are premium Valve Safety Relief components stocked from trusted manufacturers. All items featured on our page are listed with crucial details like part numbers, descriptions, and manufacturers for seamless identification. Everything listed is also readily available for purchase, where you can request a quick quote by clicking on the "RFQ" button next to any part of interest and filling out the form you are forwarded to. Our dedicated team will always review your request quickly, ensuring fast and reliable responses to support your procurement process.
What Our NSN 4820-00-555-1221 Catalog Features
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-555-1221 (005551221) |
| NCB Code | USA (00) |
| Manufacturer | Lunkenheimer Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 3568.3 POUNDS PER HOUR |
| AEHZ | MAXIMUM OPERATING TEMP | 550.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 1.0 TO 250.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END |
| CSDC | OPENING PRESSURE SETTING | 75.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| Relevant Components for NSN - 4820-00-555-1221, 4820005551221 | ||||
| 4820-01-131-7703 (4820011317703) | 4820-01-377-3883 (4820013773883) | 4810-01-267-2087 (4810012672087) | 4820-01-272-5382 (4820012725382) | |
| 4820-01-318-9251 (4820013189251) | 4820-00-163-5270 (4820001635270) | 4820-00-398-9440 (4820003989440) | 4820-01-627-6526 (4820016276526) | |
| 4810-01-108-7364 (4810011087364) | 4820-00-378-2892 (4820003782892) | 4820-01-466-0350 (4820014660350) | 4820-01-617-8969 (4820016178969) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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