ASAP NSN Distribution, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts and components pertaining to the civil aviation, defense, aerospace, industrial, and IT hardware markets. As such, we have an inventory in excess of two billion new and obsolete parts, among which is an impressive selection of NSN parts and much more. This includes items such as Valve Safety Relief P491 from manufacturer Circor Aerospace Inc and many more, all of which are available with short lead times and competitive prices. For NSN parts, you won’t find a more inclusive source than ASAP NSN Distribution.
An NSN is a 13-digit numeric code that serves to identify 'standardized material items of supply' as they have been recognized by all NATO countries and the United States Department of Defense. ASAP NSN Distribution is an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited business, as well as the only independent distributor with a strict no China sourcing pledge, ensuring the quality of every NSN part we sell. Furthermore, the parametric search capabilities of our site allow users to search for parts from specific NSNs like 4820000156231, specific manufacturers like Circor Aerospace Inc, and a broad range of other filters. To begin the purchasing process immediately, submit an RFQ today.
NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
---|---|---|---|---|---|---|
4820-00-015-6231 Item Description: Valve Safety Relief | 4820 | 000156231 | 0 | N | ||
CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
U | U | |||||
Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
P491 | 2 | 2 | 3 |
MRC | Criteria | Characteristic |
---|---|---|
SAFETY RELIEF | AAJD | THREAD CLASS3A 1ST END |
SAFETY RELIEF | AAJF | THREAD DIRECTIONRIGHT-HAND 1ST END |
SAFETY RELIEF | ADQU | FLOW CONTROL DEVICEPOPPET |
SAFETY RELIEF | ADSR | BONNET TYPEINSIDE SPRING |
SAFETY RELIEF | ADST | BONNET ATTACHMENT METHODINTEGRAL |
SAFETY RELIEF | ADSU | DISK LOADING METHODSPRING |
SAFETY RELIEF | AEHZ | MAXIMUM OPERATING TEMP-54 0 DEG CELSIUS 1ST RESPONSE |
SAFETY RELIEF | AHNC | CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL BOSS 1ST END |
SAFETY RELIEF | AQLR | VALVE OPERATION METHODAUTOMATIC |
SAFETY RELIEF | AWLS | CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END |
SAFETY RELIEF | CBBL | FEATURES PROVIDEDVALVE STEM LOCK SHIELD |
SAFETY RELIEF | CQGM | MAXIMUM OPERATING PRESSURE50 0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
SAFETY RELIEF | CQJX | NOMINAL THREAD SIZE0 562 INCHES 1ST END |
SAFETY RELIEF | CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0 375 INCHES 1ST END |
SAFETY RELIEF | MATT | MATERIALALUMINUM ALLOY 2024 OVERALL |
SAFETY RELIEF | MDCL | MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-2256ALLOY2024T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
SAFETY RELIEF | MEDA | MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE |
SAFETY RELIEF | SFTT | SURFACE TREATMENTANODIZE |
SAFETY RELIEF | STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625TYPE1CLASS1 MIL SPEC SINGLE TREATMENT RESPONSE |
SAFETY RELIEF | STYL | STYLE DESIGNATORSTRAIGHT THRU |
SAFETY RELIEF | TEST | TEST DATA DOCUMENT18876-10177850 DRAWING THIS IS THE BASIC GOVERNING DRAWING SUCH AS A CONTRACTOR DRAWING ORIGINAL EQUIPMENT MANUFACTURER DRAWING ETC EXCLUDES ANY SPECIFICATION STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRA |
SAFETY RELIEF | THSD | THREAD SERIES DESIGNATORUNF 1ST END |
We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.
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