AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Relief Pressure And Temper |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-640-6689 (016406689) |
| NCB Code | USA (01) |
| Manufacturer | Tavco Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 623942175-1 | tavco inc | valve relief pressure and temper | RFQ |
| 23942175-1 | tavco inc | valve relief pressure and temper | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABJH | TEMP RATING | 140.0 DEG FAHRENHEIT |
| ACLK | FIRST END THREAD CLASS | 3H |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACMD | SECOND END WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| ADQZ | END CONNECTION QUANTITY | 1 |
| ADSV | OPENING PRESSURE SETTING | 4500.0 POUNDS PER SQUARE INCH |
| AGAV | III END ITEM IDENTIFICATION | CH/MH-53; NHA: 65664-03010-011/013 |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | UNJF |
| CQYM | FIRST END NOMINAL THREAD SIZE | 0.4375 INCHES |
| FEAT | SPECIAL FEATURES | SERVICE: DRY AIR OR DRY NITROGEN; TEMP. RANGE: M31/P140 DEG F; PRESSURE RATINGS: OPERATING: 3000 PSIG @ 68 DEG F; CRACK: 4500+/- 150 PSIG; RESEAT: 4100 PSIG MIN; PROOF: 5000 PSIG: BURST: 7500 PSIG; RATED FLOW: 0.31 LB/MINUTE AT 5000 PSIG MA |
| SUPP | III SUPPLEMENTARY FEATURES | ONE INLET; TWO OUTLETS |
| Relevant Components for NSN - 4820-01-640-6689, 4820016406689 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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