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| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-649-0603 (016490603) |
| NCB Code | USA (01) |
| Manufacturer | Zodiac Aerosafety Systems, Halkey Roberts Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| SFTT | Surface Treatment | ANODIZE |
| STYL | Style Designator | STRAIGHT THRU |
| AEQJ | Minimum Operating Temp | -40.0 DEG FAHRENHEIT |
| FEAT | Special Features | MATERIAL MUST BE ROHS COMPLIANT |
| AQLR | Valve Operation Method | AUTOMATIC |
| AEHZ | Maximum Operating Temp | 180.00 DEG FAHRENHEIT SINGLE RESPONSE |
| MATT | Material | ALUMINUM STEM |
| MATT | Material | ALUMINUM BODY |
| CWCF | Face To Face Distance | 0.75 INCHES |
| MRC | Decoded Requirement | Clear Text Reply |
| CQJX | Nominal Thread Size | 0.875 INCHES 1ST END |
| CMLP | Thread Quantity Per Inch | 32 1ST END |
| ADSR | Bonnet Type | INSIDE SPRING |
| ADST | Bonnet Attachment Method | PRESSURE SEAL, RING TYPE |
| CSDC | Opening Pressure Setting | 5.00 POUNDS PER SQUARE INCH |
| MATT | Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Relevant Components for NSN - 4820-01-649-0603, 4820016490603 | ||||
| 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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