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Technical Data Sheet
PartsTable / COMPONENT / 458.300
458.300 ✓ Verified by PartsTable
— · COMPONENT
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 458.300 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6660-00-553-4641, 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
458.300
NSN: 6660-00-553-4641
FSC: 6660
CAGE: 82187 — NATIONAL WEATHER SERVICE DBA NATIONAL WEATHER SERVICE OHD1 DIV OFFICE OF OPERATIONAL SYSTEMS (USA)
SPECIFICATIONS
Part Number458.300
NSN6660-00-553-4641
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 458.300 TITLE COMPONENT PN 458.300 MFR 458.300
KEY FEATURES
•
NECK LENGTH: 5.000 INCHES NOMINAL IN
•
USAGE DESIGN: TO CARRY INSTRUMENTS ALOFT
•
LIFTING FORCE IN GRAMS: 2800.0
•
MINIMUM BURSTING ALTITUDE: 26000.0 METERS
•
NONDEFINITIVE SPEC/STD DATA: 600 GRAM SOUNDING TYPE G
•
COLOR: NATURAL
•
SHAPE: SPHERICAL
TECHNICAL CHARACTERISTICS (FLIS)
NECK LENGTH5.000 INCHES NOMINAL IN
USAGE DESIGNTO CARRY INSTRUMENTS ALOFT
LIFTING FORCE IN GRAMS2800.0
MINIMUM BURSTING ALTITUDE26000.0 METERS
NONDEFINITIVE SPEC/STD DATA600 GRAM SOUNDING TYPE G
COLORNATURAL
WEIGHT600.0 GRAMS G
SHAPESPHERICAL
NECK DIAMETER1.375 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
8240Interchangeable
interchangeable cross-reference
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87506Interchangeable
interchangeable cross-reference
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FFB171Interchangeable
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RG58AUInterchangeable
interchangeable cross-reference
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1080H38H39Interchangeable
interchangeable cross-reference
interchangeable
RG58C-UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 458.300?
458.300 is a 458.300.
What parts can replace 458.300?
There are 23 known substitutes for 458.300: 8240, 87506, FFB171 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 458.300?
458.300 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6660-00-553-4641. 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