| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-012-3260 (000123260) |
| NCB Code | USA (00) |
| Manufacturer | Grimes Aerospace Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.380 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKW | OVERALL HEIGHT | 0.785 INCHES MINIMUM AND 0.795 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5640 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN THREADED |
| THSD | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
| Components Related to NSN - 4820-00-012-3260, 4820000123260 | ||||
| 4820-01-661-4388 (4820016614388) | 4820-01-145-6678 (4820011456678) | 4820-01-039-1836 (4820010391836) | 4820-01-386-1744 (4820013861744) | |
| 4810-01-271-8772 (4810012718772) | 4820-00-999-3603 (4820009993603) | 4820-01-212-9959 (4820012129959) | 4820-01-294-4352 (4820012944352) | |
| 4820-01-377-3064 (4820013773064) | 4820-01-394-1344 (4820013941344) | 4820-01-268-9843 (4820012689843) | 4820-01-500-8093 (4820015008093) | |
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