| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-342-4193 (013424193) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Velan Valve Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 8541-004-062VM | national instruments corporation | seat valve | 03950 | RFQ |
| 8541-004-062 | velan valve corporation | seat valve | 57574 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 3.000 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 2.875 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | 2.50IPS GATE VALVE |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.3175 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.105 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 316 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A376 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| CQKM | SEATING SURFACE SHAPE | O-RING |
| ADAS | BODY INSIDE DIAMETER | 2.500 INCHES NOMINAL |
| Relevant Components for NSN - 4820-01-342-4193, 4820013424193 | ||||
| 4820-01-478-7250 (4820014787250) | 4820-01-157-2874 (4820011572874) | 4820-01-152-3022 (4820011523022) | 4820-00-622-4732 (4820006224732) | |
| 4820-01-521-9794 (4820015219794) | 4820-01-396-0684 (4820013960684) | 4820-01-450-7273 (4820014507273) | 4820-01-124-2752 (4820011242752) | |
| 4820-01-233-6840 (4820012336840) | 4820-00-495-7877 (4820004957877) | 4820-01-708-6366 (4820017086366) | 4820-00-220-3237 (4820002203237) | |
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