| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-400-9928 (004009928) |
| NCB Code | USA (00) |
| Manufacturer | Circor Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| D559A6D140 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 140.0 POUNDS PER SQUARE INCH |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-225/6,ALLOY2024,T351 FED SPEC 1ST MATERIAL RESPONSE OVERALL AND QQ-225/6,ALLOY2024,T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL,METHYL 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA,GASEOUS 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| Components Related to NSN - 4820-00-400-9928, 4820004009928 | ||||
| 4820-00-287-3034 (4820002873034) | 4820-01-271-7886 (4820012717886) | 4820-01-714-5468 (4820017145468) | 4810-00-936-0709 (4810009360709) | |
| 4820-01-190-3734 (4820011903734) | 4820-01-482-1507 (4820014821507) | 4820-00-145-2608 (4820001452608) | 4820-01-438-4316 (4820014384316) | |
| 4820-00-035-7597 (4820000357597) | 4820-00-417-3438 (4820004173438) | 4820-01-027-8834 (4820010278834) | 4820-01-301-8497 (4820013018497) | |
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