| Item Name | Valve Relief Pressu |
| INC Code | 16996 |
| 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 |
| Associated Parts Numbers of NSN 4820-01-646-5998 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| 11-878 | actronics incorporated | valve relief pressu | 27195 | A | A | RFQ |
| 608745002 | ametek thermal systems inc | valve relief pressu | 12536 | F | A | RFQ |
| 60875-002 | ametek thermal systems inc | valve relief pressu | 12536 | F | A | RFQ |
| 60875-002 | bell helicopter textron inc | valve relief pressu | 97499 | A | A | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJP | OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| ACKL | MEDIA FOR WHICH DESIGNED | OIL |
| ACKW | FIRST END FLANGE WIDTH | 0.875 INCHES NOMINAL |
| ACSH | SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6 |
| ADQU | FLOW CONTROL DEVICE | STEM AND INTEGRAL DISK |
| CXCY | 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 |
| ACLA | FIRST END BOLT HOLE DIAMETER | 0.221 INCHES NOMINAL |
| ACLT | SECOND END STYLE DESIGNATOR | GROOVED |
| ACKV | FIRST END FLANGE LENGTH | 1.812 INCHES NOMINAL |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 2 |
| ACKT | FIRST END FLANGE SHAPE STYLE | OVAL W/ BOLT HOLES |
| ACKU | FIRST END FLANGE THICKNESS | 0.125 INCHES NOMINAL |
| ACKX | FIRST END FLANGE END RADIUS | 0.250 INCHES NOMINAL |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.798 INCHES NOMINAL |
| AFKX | TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| AFLN | FIRST END CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG LENGTH | 1.312 INCHES NOMINAL |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | ALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6 |
| AAFZ | BODY MATERIAL | ALUMINUM ALLOY, QQ-A-200/8, ALLOY 6061, T6 |
| ABJH | TEMP RATING | -65.0 DEG FAHRENHEIT AND 320.0 DEG FAHRENHEIT |
| Relevant Components for NSN - 4820-01-646-5998, 4820016465998 | ||||
| 4820-00-835-3873 (4820008353873) | 4820-01-431-2398 (4820014312398) | 4820-01-009-8942 (4820010098942) | 4820-01-273-3653 (4820012733653) | |
| 4820-01-274-9975 (4820012749975) | 4820-01-600-7663 (4820016007663) | 4820-01-338-4276 (4820013384276) | 4820-01-233-6683 (4820012336683) | |
| 4820-01-018-1584 (4820010181584) | 4820-01-322-8071 (4820013228071) | 4820-01-318-2830 (4820013182830) | 4820-01-340-5738 (4820013405738) | |
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