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331548 ✓ 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 331548 is a the manufacturer industrial component. Key specifications include color: RED, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: BALL, attachment_method: SCREW ON, nominal_thread_size: 0.312 INCHES RECEPTACLE IN, thread_quantity_per_inch: 18 RECEPTACLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-807-6951, 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
331548
NSN: 5355-00-807-6951
FSC: 5355
CAGE: 36090 — LOCKHEED MARTIN LIBRASCOPE CORPORATION (USA)
SPECIFICATIONS
colorRED
outside_diameter1.875 INCHES NOMINAL IN
style_designatorBALL
attachment_methodSCREW ON
nominal_thread_size0.312 INCHES RECEPTACLE IN
thread_quantity_per_inch18 RECEPTACLE
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) RECEPTACLE
gripping_surface_conditionSMOOTH
NSN5355-00-807-6951
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 331548 TITLE COMPONENT PN 331548 MFR 331548
KEY FEATURES
•
STYLE DESIGNATOR: BALL
•
THREAD QUANTITY PER INCH: 18 RECEPTACLE
•
NOMINAL THREAD SIZE: 0.312 INCHES RECEPTACLE IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) RECEPTACLE
•
COLOR: RED
•
ATTACHMENT METHOD: SCREW ON
•
GRIPPING SURFACE CONDITION: SMOOTH
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORBALL
THREAD QUANTITY PER INCH18 RECEPTACLE
NOMINAL THREAD SIZE0.312 INCHES RECEPTACLE IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) RECEPTACLE
COLORRED
ATTACHMENT METHODSCREW ON
GRIPPING SURFACE CONDITIONSMOOTH
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
60378Interchangeable
interchangeable cross-reference
interchangeable
2922606Interchangeable
interchangeable cross-reference
interchangeable
4224Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 331548?
331548 is a 331548.
What parts can replace 331548?
There are 15 known substitutes for 331548: 60378, 2922606, 4224 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 331548?
331548 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-807-6951. 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