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PartsTable / MRO / 4311B-2
4311B-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 4311B-2 is a the manufacturer industrial component. Key specifications include overall_width: 1.260 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, overall_length: 1.687 INCHES NOMINAL IN, frequency_rating: 0.5 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM, special_features: VSWR: INPUT 1.25, OUTPUT 1.15; ISOLATION 22 DB MAXIMUM; CONNECTOR - SMA FEMALE; WEIGHT 30 GRAMS G, insertion_loss_in_decibels: 0.4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-224-0365, 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→ 4311B-2
NSN: 6625-01-224-0365
FSC: 6625
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
overall_width1.260 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
overall_length1.687 INCHES NOMINAL IN
frequency_rating0.5 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
special_featuresVSWR: INPUT 1.25, OUTPUT 1.15; ISOLATION 22 DB MAXIMUM; CONNECTOR - SMA FEMALE; WEIGHT 30 GRAMS G
insertion_loss_in_decibels0.4
NSN6625-01-224-0365
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4311B-2 TITLE COMPONENT PN 4311B-2 MFR 4311B-2
KEY FEATURES
•
FREQUENCY RATING: 0.5 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
•
INSERTION LOSS IN DECIBELS: 0.4
TECHNICAL CHARACTERISTICS (FLIS)
FREQUENCY RATING0.5 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
OVERALL WIDTH1.260 INCHES NOMINAL IN
OVERALL HEIGHT0.375 INCHES NOMINAL IN
OVERALL LENGTH1.687 INCHES NOMINAL IN
SPECIAL FEATURESVSWR: INPUT 1.25, OUTPUT 1.15; ISOLATION 22 DB MAXIMUM; CONNECTOR - SMA FEMALE; WEIGHT 30 GRAMS G
INSERTION LOSS IN DECIBELS0.4
FREQUENCY RATING0.5 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
OVERALL WIDTH1.260 INCHES NOMINAL IN
OVERALL HEIGHT0.375 INCHES NOMINAL IN
OVERALL LENGTH1.687 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
13543-FInterchangeable
interchangeable cross-reference
interchangeable
DS-52228-1/2INInterchangeable
interchangeable cross-reference
interchangeable
B120Interchangeable
interchangeable cross-reference
interchangeable
B1008Interchangeable
interchangeable cross-reference
interchangeable
43112Interchangeable
interchangeable cross-reference
interchangeable
84093Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4311B-2?
4311B-2 is a 4311B-2. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4311B-2?
There are 13 known substitutes for 4311B-2: 13543-F, DS-52228-1/2IN, B120 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4311B-2?
4311B-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-224-0365. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026