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Technical Data Sheet
N0BSR-52121 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The N0BSR-52121 is a the manufacturer industrial component. Key specifications include width: 5.500 INCHES NOMINAL IN, height: 6.875 INCHES NOMINAL IN, length: 12.188 INCHES NOMINAL IN, furnished_items: RF WATTMETER;CASE,METER, measurement_unit: AVERAGE POWER, input_frequency_range: +30.000 TO 600.000 MEGAHERTZ. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-553-0379, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL N0BSR-52121
NSN: 6625-00-553-0379
FSC: 6625
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
width5.500 INCHES NOMINAL IN
height6.875 INCHES NOMINAL IN
length12.188 INCHES NOMINAL IN
furnished_itemsRF WATTMETER;CASE,METER
measurement_unitAVERAGE POWER
input_frequency_range+30.000 TO 600.000 MEGAHERTZ
input_impedance_rating51.5 OHMS NOMINAL
scale_direction_and_range0 TO 15 AND 0 TO 60 CLOCKWISE
accessory_component_quantity2
accessory_controlling_agencyJETDS
accessory_identifying_numberME-11/UJAFCY-1135/U TYPE NO.
scale_unit_of_measure_inscriptionWATTS
NSN6625-00-553-0379
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available N0BSR-52121 TITLE COMPONENT PN N0BSR-52121 MFR N0BSR-52121
KEY FEATURES
HEIGHT: 6.875 INCHES NOMINAL IN
FURNISHED ITEMS: RF WATTMETER;CASE,METER
MEASUREMENT UNIT: AVERAGE POWER
INPUT IMPEDANCE RATING: 51.5 OHMS NOMINAL
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAME: RF WATTMETER
ACCESSORY CONTROLLING AGENCY: JETDS
INPUT FREQUENCY RANGE: +30.000 TO 600.000 MEGAHERTZ
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBER: AN/URM-43
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT6.875 INCHES NOMINAL IN
FURNISHED ITEMSRF WATTMETER;CASE,METER
MEASUREMENT UNITAVERAGE POWER
INPUT IMPEDANCE RATING51.5 OHMS NOMINAL
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAMERF WATTMETER
ACCESSORY CONTROLLING AGENCYJETDS
INPUT FREQUENCY RANGE+30.000 TO 600.000 MEGAHERTZ
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBERAN/URM-43
WIDTH5.500 INCHES NOMINAL IN
LENGTH12.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
61Interchangeable
interchangeable cross-reference
interchangeable
C750140Interchangeable
Same NIIN cross-reference
interchangeable
MIL-R-15331Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N0BSR-52121?
N0BSR-52121 is a N0BSR-52121. It is classified as a MRO (MRO_GENERAL).
What parts can replace N0BSR-52121?
There are 3 known substitutes for N0BSR-52121: 61, C750140, MIL-R-15331. Substitute compatibility should be verified for your specific system.
Is N0BSR-52121 still available?
N0BSR-52121 is currently cancelled.
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