Purchasing Sphere, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts 521503 and components pertaining to the civil aviation, defense, aerospace, industrial, and electronic markets. 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. As such, we have an inventory of more than two billion new and obsolete parts, among which is a vast and diverse array of 521503 parts and much more. This includes items such as Earphone Element 521503 from manufacturer Comspace Corporation 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 Purchasing Sphere.
Our website offers a number of parametric search capabilities, one of which allows you to search specifically for 521503 parts. This means you can quickly sort through National Stock Numbers such as 5965005490220 and find parts from quality manufacturers like Comspace Corporation and many others. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to all inquiries in 15 minutes or less.
NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
---|---|---|---|---|---|---|
5965-00-549-0220 Item Description: Earphone Element | 5965 | 005490220 | 0 | P | ||
CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
U | U | |||||
Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
521503 | 5 | 1 | C | A |
MRC | Criteria | Characteristic |
---|---|---|
AAQL | BODY STYLE | EARPHONE ELEMENT, CIRCULAR |
ACYW | IMPEDANCE RATING IN OHMS | 150.0 NOMINAL |
ADAV | OVERALL DIAMETER | 1.822 INCHES MAXIMUM |
AFYW | FREQUENCY RESPONSE RANGE IN HERTZ | +500.0/+2500.0 |
AFZA | OUTPUT SENSITIVITY RATING IN DECIBELS | 72.0 |
AHEQ | III EARPHONE ELEMENT TYPE | MAGNETIC |
AHFA | EARPHONE ELEMENT DEPTH | 0.750 INCHES NOMINAL |
AHFS | ACOUSTIC SENSITIVITY REFERENCE RATING | 1 VOLT PER MICROBAR |
FEAT | SPECIAL FEATURES | MAGNETIC TYPE ELEMENT HAS A DIAMETER OF 1.822 IN. BY 0.750 IN. DEEP; IMPEDANCE 150 OHMS NOMINAL; ELEMENT IS USED IN MIL-SPEC HANDSETS SUCH AS THE H-60/PT AND THE H-156/PT |
TEST | TEST DATA DOCUMENT | 81349-MIL-H-11996 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTI |
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