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343978 — HUB,ROLLER ARM

✓ Government record, cited
Intellinet · GATE VALVE
PRODUCT OVERVIEW

343978: HUB,ROLLER ARM.

Features: - Foil & Braid Shielding; - Impedance Matched; - Gold-Plated Contacts; - Unique PVC Jacket; - Snag-Free Boots; - Strain Relief; - Standards Tested. Specifications: - SFTP; - UL Listed; - EIA/TIA Approved; - 4 Pairs; - RJ-45 Connectors. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-092-4246, 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
343978
NSN: 4820-00-092-4246
NIINs: 000924246, 011577476, 014643180
FSC: 4820 — Valves, Nonpowered
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
end_item_identificationEND ITEM;MOTOR,OUTBOARD/MAKE:JOHNSON 100HP/MDL.NO.J100WPEEC/SER.NO.04551998
NSN4820-00-092-4246
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 343978 · Intellinet ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: OPERATING PRESSURE 1.0 PSI AT 125DEG F;TEMPERATURE -65DEG TO 160DEG F;C/O BODY ASSY;SPRING;BEARING;SEAL;SHAFT;SEAT;SPACER;NUT;WASHER;BEARING;SPACER DEGF
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONOPERATING PRESSURE 1.0 PSI AT 125DEG F;TEMPERATURE -65DEG TO 160DEG F;C/O BODY ASSY;SPRING;BEARING;SEAL;SHAFT;SEAT;SPACER;NUT;WASHER;BEARING;SPACER DEGF
END ITEM IDENTIFICATIONACFT,TYPE C-130
SUBSTITUTES & CROSS-REFERENCES 1
4820PL2074726Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 343978?
343978 is a HUB,ROLLER ARM manufactured by Intellinet.
What parts can replace 343978?
There is 1 known substitute for 343978: 4820PL2074726. Substitute compatibility should be verified for your specific system.
What is the NSN for 343978?
343978 is cataloged in the U.S. Government catalog under NSN 4820-00-092-4246. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.