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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) | 01-178-2939 (011782939) |
NCB Code | USA (01) |
Manufacturer | Crissair Inc, Naval Air Development Center |
MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A ALL ENDS |
AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
ADQU | FLOW CONTROL DEVICE | POPPET |
ADSY | VALVE DISCHARGE FLOW RATE | 1.0 GALLONS PER MINUTE |
AEHZ | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
AHNC | CONNECTION STYLE | FLARELESS (TUBE) ALL ENDS |
AQLR | VALVE OPERATION METHOD | AUTOMATIC |
AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
CMLP | THREAD QUANTITY PER INCH | 20 2ND END |
CQGM | MAXIMUM OPERATING PRESSURE | 140.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 2ND END |
CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
CQRB | SEAT ANGLE | 12.0 DEGREES ALL ENDS |
CSDC | OPENING PRESSURE SETTING | 120.0 POUNDS PER SQUARE INCH |
MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
MATT | MATERIAL | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
MEDA | MEDIA FOR WHICH DESIGNED | OIL,HYDRAULIC SINGLE RESPONSE |
SFTT | SURFACE TREATMENT | ANODIZE |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
Relevant Components for NSN - 4820-01-178-2939, 4820011782939 | ||||
4820-01-287-2408 (4820012872408) | 4820-00-706-6627 (4820007066627) | 4820-01-491-0589 (4820014910589) | 4820-01-583-6270 (4820015836270) | |
4820-01-546-8303 (4820015468303) | 4810-01-008-8578 (4810010088578) | 4820-01-630-0415 (4820016300415) | 4820-01-346-7874 (4820013467874) | |
4820-01-540-4519 (4820015404519) | 4810-01-573-9579 (4810015739579) | 4820-01-289-3463 (4820012893463) | 4820-00-516-3537 (4820005163537) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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