| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-343-7308 (013437308) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Velan Valve Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 8542-009-440VM | national instruments corporation | seat valve | 03950 | RFQ |
| 73811-130 8542-009-440 | velan valve corporation | seat valve | 57574 | RFQ |
| 8542-009-440 | velan valve corporation | seat valve | 57574 | RFQ |
| 73811-130/8542-0 | national instruments corporation | seat valve | 03950 | RFQ |
| 8542-009-440VM | velan valve corporation | seat valve | 57574 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADAS | BODY INSIDE DIAMETER | 3.000 INCHES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| AGAV | END ITEM IDENTIFICATION | 3IN SWING CHECK VALVE |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.815 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 3.657 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.156 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| ADAR | BODY OUTSIDE DIAMETER | 3.500 INCHES NOMINAL |
| Relevant Components for NSN - 4820-01-343-7308, 4820013437308 | ||||
| 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) | |
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