Thank you for taking an interest in the NSN 4820-01-646-5998 supplies and listing resources that we provide on Integrated Military Parts. At the top of this page, you will find an overview of NSN 4820-01-646-5998, including details on its associated item name, Federal Supply Group, Federal Supply Class, and more. You can also review a list of all manufacturers that our stock traces back to, each serving as a link to expanded catalogs if you wish to further your search.
Underneath our overview, part numbers like 11-878, 60875-002, and others that belong to our NSN 4820-01-646-5998 inventory have been listed out for your perusal. If any are of interest to you, click on the “RFQ” button to its right to access a quote request form. By filling out and submitting a form with detailed information on your requirements and expectations, you will be able to secure fully customized quotes for your comparisons. You can rest assured that you will receive highly competitive options when you shop on Integrated Military Parts, our staff working tirelessly to ensure streamlined fulfillment and satisfaction. Knowing how we intend to serve you, continue perusing solutions on this catalog and reach out as soon as you are ready.
| Item Name | Valve Relief Pressure And Temper |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-646-5998 (016465998) |
| NCB Code | USA (01) |
| Manufacturer | Actronics Incorporated, Ametek Thermal Systems Inc, Bell Helicopter Textron Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | ALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6 |
| AAJP | OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | ALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6 |
| ABJH | TEMP RATING | -65.0 DEG FAHRENHEIT AND 320.0 DEG FAHRENHEIT |
| ACKL | MEDIA FOR WHICH DESIGNED | OIL |
| ACKT | FIRST END FLANGE SHAPE STYLE | OVAL W/ BOLT HOLES |
| ACKU | FIRST END FLANGE THICKNESS | 0.125 INCHES NOMINAL |
| ACKV | FIRST END FLANGE LENGTH | 1.812 INCHES NOMINAL |
| ACKW | FIRST END FLANGE WIDTH | 0.875 INCHES NOMINAL |
| ACKX | FIRST END FLANGE END RADIUS | 0.250 INCHES NOMINAL |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 2 |
| ACLA | FIRST END BOLT HOLE DIAMETER | 0.221 INCHES NOMINAL |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLT | SECOND END STYLE DESIGNATOR | GROOVED |
| ACSH | SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6 |
| ADAR | BODY OUTSIDE DIAMETER | 0.798 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | STEM AND INTEGRAL DISK |
| AFKX | TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| AFLN | FIRST END CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG LENGTH | 1.312 INCHES NOMINAL |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE BYPASS HYDR; VALVE, BYPASS THERMAL AND PRESSURE |
| FEAT | SPECIAL FEATURES | FULLY OPEN: 165 DEG AND BELOW; STARTS TO CLOSE: 165-180 DEG; FULLY CLOSED: 180 DEG; FLUID: MIL-H-83282; VALVE CRACKING PRESSURE: 40 PSID MAX, AT 190-195 DEG F; VALVE TO RESEAT AT 30 PSID MIN |
| Relevant Components for NSN - 4820-01-646-5998, 4820016465998 | ||||
| 4820-01-435-2946 (4820014352946) | 4820-01-561-9867 (4820015619867) | 4810-00-270-0765 (4810002700765) | 4820-01-529-0679 (4820015290679) | |
| 4820-00-107-3164 (4820001073164) | 4810-01-151-7536 (4810011517536) | 4820-00-399-2879 (4820003992879) | 4820-01-572-7789 (4820015727789) | |
| 4820-01-415-9553 (4820014159553) | 4820-00-071-7998 (4820000717998) | 4820-01-218-7280 (4820012187280) | 4820-01-445-0547 (4820014450547) | |
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