We’re pleased to announce that 521503 (Earphone Element, NSN: 5965-00-549-0220) is now in stock and ready for immediate quoting. This component, manufactured by Aiken Advanced Systems Inc (CAGE Code: 60590), is classified under NIIN 00-549-0220 and NCB Code 00 (USA), with additional categorization under FSG 59 Electrical and Electronic Equipment Components/FSC 5965 Headsets Handsets Microphones and Speakers and INC 00093. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part 521503, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of 521503 without delay. Contact us today to meet your procurement needs efficiently
ASAP Part Services, a trusted subsidiary of ASAP Semiconductor, is a premier distributor of Aiken Advanced Systems Inc components—specializing in obsolete and hard-to-find parts. As an AS9120B, ISO 9001:2015, and FAA AC 0056B certified supplier, we adhere to the highest industry standards under the Aviation Suppliers Association (ASA). Our global network spans 5,000+ top manufacturers, ensuring access to over 2 billion unique parts for critical needs.
With strategically located shipping centers in California, we offer rapid same-day or next-day delivery on in-stock items like 521503. Whether you're sourcing rare components or need expedited logistics, we provide reliable solutions to keep your operations moving forward.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5965-00-549-0220 Item PartTypeName: 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 TO 2500.0 |
| AFZA | OUTPUT SENSITIVITY RATING IN DECIBELS | 72.0 |
| AHEQ | 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 |
| End Use : 21400 | Telecommunications equipment |
|---|---|
| Schedule B : 8518903000 (NAICS 334310) | Microphone parts, loudspeaker parts, amplifier parts & headphone parts |
| SITC : 76492 | Parts of microphones, loudspeakers, headphones, earphones and combined microphone/speaker sets; audio-frequency electric amplifiers; etc. |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item. |
| PMIC | U - Precious metal content is unknown |
| AAC | D |
|---|---|
| Classification Control | U |
| MGMT_CTL | Q22rhx- |
| Quantity per pack | 1 |
| Repariability | This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
| ACC: | H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LTL: | M - 85.0 |
| NMFC: | 063300 - Telephone telephone part viz: sub 8 |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 723 - Radio parts and equipment, excluding tubes packed separately |
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