ASAP Aviation Procurement is pleased to announce that part number 644A of NSN 5985-00-912-9894 is now available and in stock. We can get you one of the fastest and most competitive quotes on this part. Part number 644A is a Coupler Directional manufactured by Sierra Measurements Inc under CAGE Code 61364. Simply fill out the Request for Quote (RFQ) form provided here to get started on your quote. In order to make sure that we get you your quote in a timely manner, please take the time to make sure that all fields are completely filled out, particularly the asterisk-marked (*) fields like Parts Needed By and Quantity (ea).
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5985-00-912-9894 Item Description: COUPLER,DIRECTIONAL | 5985 | 009129894 | P | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 644A | 6 | 9 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.156 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.312 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 2.875 INCHES NOMINAL |
| ANKZ | RADIO FREQUENCY RATING | 3.0 MEGAHERTZ MINIMUM AND 300.0 MEGAHERTZ MAXIMUM |
| APGF | DESIGN TYPE | UNIDIRECTIONAL |
| APQB | UNIT TYPE | TRANSMISSION LINE |
| BGPS | VOLTAGE STANDING WAVE RATIO AT REFERENCE FREQUENCY | 1.15 TO 1 AT 300 MHZ |
| BGPX | POWER LOSS IN DECIBELS | 21.5 AND 62.0 |
| BGPY | TERMINAL FITTING NAME | CONNECTOR |
| BGPZ | TERMINAL FITTING CONTROLLING AGENCY | GREMAR CORP |
| BGQB | TERMINAL FITTING IDENTIFYING NUMBER | TYPE NO. 5444; TYPE NO. 5445 |
| BGQC | TERMINAL FITTING USAGE DESIGN | MAIN LINE AND MAIN LINE AND SECONDARY LINE |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Before You Go, Take a look To Our Extensive Range of NSN Parts Catalog. We Provide High Quality NSN Parts with 24/7 Quotation Facility.
Request for Quote