| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-953-9258 (009539258) |
| NCB Code | USA (00) |
| Manufacturer | Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS" |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS" |
| ADQU | FLOW CONTROL DEVICE | POPPET" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AEHZ | MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT SINGLE RESPONSE" |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS" |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL" |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE" |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS" |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS" |
| FEAT | SPECIAL FEATURES | FIRST END BULKHEAD TYPE PER MS33657" |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL 5TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 3RD RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 4TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND 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" |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS" |
| AAJD | THREAD CLASS | 3A ALL ENDS" |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS" |
| ADQU | FLOW CONTROL DEVICE | POPPET" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AEHZ | MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT SINGLE RESPONSE" |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS" |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL" |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE" |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS" |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS" |
| FEAT | SPECIAL FEATURES | FIRST END BULKHEAD TYPE PER MS33657" |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL 5TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 3RD RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 4TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND 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" |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS" |
| Components Related to NSN - 4820-00-953-9258, 4820009539258 | ||||
| 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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