| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-525-2359 (005252359) |
| NCB Code | USA (00) |
| Manufacturer | Allied Signal Inc, Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.710 INCHES MINIMUM AND 0.740 INCHES MAXIMUM SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.810 INCHES MINIMUM AND 0.830 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.850 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| CMLP | THREAD QUANTITY PER INCH | 56 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES SINGLE THREADED PORTION |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZV |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| ZZZV | FSC APPLICATION DATA | REGULATOR,AIR PRESSURE,ACFT CABIN |
| Relevant Components for NSN - 4820-00-525-2359, 4820005252359 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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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