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Technical Data Sheet
PartsTable / MRO / 4312B-2
4312B-2 ✓ 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 4312B-2 is a the manufacturer industrial component. Key specifications include power_rating: 30.0 WATTS AVERAGE AND 20.0 WATTS AVERAGE AND 3.0 WATTS AVERAGE, overall_width: 1.230 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN, overall_height: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, overall_length: 1.610 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN, frequency_rating: 1.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM, special_features: WEIGHT 0.9 LB; OPERATING TEMPERATURE FROM -57 DEG C TO 105 DEG C; ACTUAL INSERTION LOSS 0.35 LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-336-1204, 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→ 4312B-2
NSN: 6625-01-336-1204
FSC: 6625
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
power_rating30.0 WATTS AVERAGE AND 20.0 WATTS AVERAGE AND 3.0 WATTS AVERAGE
overall_width1.230 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN
overall_height0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
overall_length1.610 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
output_quantity2
frequency_rating1.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
special_featuresWEIGHT 0.9 LB; OPERATING TEMPERATURE FROM -57 DEG C TO 105 DEG C; ACTUAL INSERTION LOSS 0.35 LBS
insertion_loss_in_decibels0.3
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S)
coaxial_connector_series_designationSMA
NSN6625-01-336-1204
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4312B-2 TITLE COMPONENT PN 4312B-2 MFR 4312B-2
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
COAXIAL CONNECTOR SERIES DESIGNATION: SMA
•
POWER RATING: 30.0 WATTS AVERAGE AND 20.0 WATTS AVERAGE AND 3.0 WATTS AVERAGE
•
INSERTION LOSS IN DECIBELS: 0.3
•
OUTPUT QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
OVERALL WIDTH1.230 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN
OVERALL LENGTH1.610 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
SPECIAL FEATURESWEIGHT 0.9 LB; OPERATING TEMPERATURE FROM -57 DEG C TO 105 DEG C; ACTUAL INSERTION LOSS 0.35 LBS
POWER RATING30.0 WATTS AVERAGE AND 20.0 WATTS AVERAGE AND 3.0 WATTS AVERAGE
INSERTION LOSS IN DECIBELS0.3
OUTPUT QUANTITY2
OVERALL HEIGHT0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
FREQUENCY RATING1.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
710149Interchangeable
interchangeable cross-reference
interchangeable
903415Interchangeable
interchangeable cross-reference
interchangeable
43622Interchangeable
interchangeable cross-reference
interchangeable
716-062518Interchangeable
interchangeable cross-reference
interchangeable
750Interchangeable
interchangeable cross-reference
interchangeable
55588Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4312B-2?
4312B-2 is a 4312B-2. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4312B-2?
There are 16 known substitutes for 4312B-2: 710149, 903415, 43622 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4312B-2?
4312B-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-336-1204. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026