2-332004-0

Screws & Fasteners SMA JAM NUT PASSIVATED

2-332004-0 – SMA Jam Nut, Passivated – TE Connectivity

This TE Connectivity SMA jam nut (part number 2-332004-0) provides secure locking for SMA RF connectors, ensuring vibration-resistant connections in critical electronic assemblies. Featuring a corrosion-resistant passivated finish, this essential fastener delivers long-term reliability for demanding RF applications. PCX guarantees genuine TE Connectivity components with rapid shipping and dedicated technical support.

Key Features

Type: SMA Jam Nut for RF connector security
Finish: Passivated surface for enhanced corrosion resistance
Compatibility: Designed for standard SMA connector interfaces
Function: Prevents loosening under vibration/torque

Applications

RF communication systems and antennas
Test & measurement equipment
Aerospace and defense electronics
Telecommunications infrastructure
Medical diagnostic devices

About TE Connectivity
TE Connectivity (TE) is a global industrial technology leader with over 75 years of expertise in connectivity and sensor solutions. The company holds ISO 9001 certification and maintains rigorous quality control standards across its manufacturing facilities worldwide. TE’s RF components are trusted in mission-critical industries due to their consistent performance and compliance with international specifications.

TE invests heavily in R&D to advance connector technology for next-generation applications. Their product lifecycle management ensures long-term availability and backward compatibility, making TE components a preferred choice for design engineers requiring proven reliability in harsh operating environments.

About RF Jam Nuts
Jam nuts are low-profile secondary fasteners threaded against primary nuts to prevent rotational loosening caused by vibration or thermal cycling. In RF systems, these specialized nuts maintain critical torque specifications for SMA, BNC, and TNC connectors, preserving signal integrity by eliminating impedance variations from connector movement.

Passivated jam nuts provide essential corrosion protection in humid, saline, or chemically aggressive environments. Their electromechanical stability ensures consistent ground paths and shielding effectiveness in high-frequency applications where even minor connection flaws can degrade system performance. Proper nut selection directly impacts the longevity and reliability of RF assemblies.

Packaging Options
Available in standard bulk packaging. Contact PCX for custom packaging requirements or volume pricing.

Frequently Asked Questions
Q: What does “passivated” mean for this jam nut?
A: Passivation is a chemical treatment that removes surface iron contaminants and forms a protective chromium oxide layer on stainless steel, significantly enhancing corrosion resistance without affecting dimensions.

Q: Is this compatible with all SMA connectors?
A: Yes, it meets standard SMA 3/8″-32 UNEF threading specifications. Verify connector thread compatibility if using non-standard variants.

Q: What torque should be applied during installation?
A: Typical SMA jam nut torque ranges from 8-12 in-lbs. Always follow connector manufacturer specifications to avoid damage.

Q: Why choose TE Connectivity fasteners?
A: TE maintains strict aerospace/defense-grade manufacturing tolerances and material traceability, ensuring consistent mechanical and environmental performance.

Q: Can passivated nuts be used in outdoor applications?
A: Yes, the passivation layer provides superior protection against humidity, salt spray, and mild chemical exposure compared to non-treated finishes.

Q: How do jam nuts differ from standard hex nuts?
A: Jam nuts have half the thickness of standard nuts, allowing tight stacking against primary nuts to create locking friction without adding significant height.

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