We’re pleased to announce that part number 521503 with NSN 5965005490220 is now available in our ready-to-ship inventory. Manufactured by Comspace Corporation having CAGE Code 12431 under FSC 5965 Headset Handset Microphone and Speak, 521503 part is a Earphone Element. Are you interested in a quick quote for 521503 part? All you have to do is fill in the RFQ form below with your information, and we will take care of the rest. A dedicated sales representative will respond to your RFQ by email or by phone within 15 minutes of receiving this form.
| Part Number: 521503 | NSN: 5965-00-549-0220 (5965005490220) | Item Name: Earphone Element | NIIN : 005490220 | |
| CAGE Code: 12431 | FSC: 5965 Headset Handset Microphone and Speak | FSG: 59 Electrical and Electronic Equipment Components | Category: NSN | |
| Qty Available: 1358 | Description: Earphone Element | Manufacturer: Comspace Corporation | Last Updated: 05-22-2025 | Country: USA |
| NCB Code: 00 | INC Code: 00093 | |||
Your quote will be calculated based on your answers to asterisk-marked (*) fields such as Needs Parts By and Quantity (ea), so be sure to fill them out as best and as thorough as possible. ASAP Aviation Stock, owned and operated by ASAP Semiconductor, is a leading supplier of NSN parts - with more than 2 billion NSNs in stock.
We are an AS9120B, ISO 9001:2015, and FAA 0056B accredited company and have several warehouses full of ready-to-ship parts in key locations across the US and Canada. This allows us to fulfill AOG requirements in a timely manner with ease. Need to meet your requirements ASAP? No problem, we offer same day shipping and next day shipping on qualifying items.
The National Stock Number, also known as NSN, is recognized and utilized as a cataloging system for procuring, stocking, and issuing items by all members of the North Atlantic Treaty Organization (NATO) and the United States’ Department of Defense (DoD). To learn more about 521503 part with NSN 5965005490220, call us at our toll-free number +1-714-705-4780, or email us at sales@asapaviationstock.com.
| 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 |
| TA235PT | 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 |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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