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Technical Data Sheet
PartsTable / MRO / MIL-R-15331
MIL-R-15331 ✓ 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 MIL-R-15331 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→ MIL-R-15331
NSN: 6625-00-553-0379
FSC: 6625
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
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 MIL-R-15331 TITLE COMPONENT PN MIL-R-15331 MFR MIL-R-15331
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
N0BSR-52121Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-15331?
MIL-R-15331 is a MIL-R-15331. It is classified as a MRO (MRO_GENERAL).
What parts can replace MIL-R-15331?
There are 3 known substitutes for MIL-R-15331: 61, C750140, N0BSR-52121. Substitute compatibility should be verified for your specific system.
Is MIL-R-15331 still available?
MIL-R-15331 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026