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343874 — CHAIN,SILENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

343874: CHAIN,SILENT.

The CHAIN,SILENT is a the manufacturer industrial component. Key specifications include material: STEEL, link_style: SIDE GUIDES, link_nominal_width: 0.2190 INCHES IN, nominal_pitch_distance: 0.188 INCHES IN, minimum_tensile_strength: 750 POUNDS PER SQUARE INCH LBS, link_nominal_width_between_plates: 0.2170 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-068-8327, 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
343874
NSN: 3020-00-068-8327
NIINs: 000688327, 012712527
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 76474 — EMERSON POWER TRANSMISSION CORPORATION DIV EPT (USA)
SPECIFICATIONS
materialSTEEL
link_styleSIDE GUIDES
link_row_quantity7
link_nominal_width0.2190 INCHES IN
nominal_pitch_distance0.188 INCHES IN
minimum_tensile_strength750 POUNDS PER SQUARE INCH LBS
link_nominal_width_between_plates0.2170 INCHES IN
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY O/A LG
NSN3020-00-068-8327
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CHAIN,SILENT TITLE COMPONENT PN 343874 MFR CHAIN,SILENT
KEY FEATURES
•
LINK STYLE: SIDE GUIDES
•
LINK NOMINAL WIDTH: 0.2190 INCHES IN
•
NOMINAL PITCH DISTANCE: 0.188 INCHES IN
•
MINIMUM TENSILE STRENGTH: 750 POUNDS PER SQUARE INCH LBS
•
LINK ROW QUANTITY: 7
•
MATERIAL: STEEL
•
LINK NOMINAL WIDTH BETWEEN PLATES: 0.2170 INCHES IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY O/A LG
TECHNICAL CHARACTERISTICS
LINK STYLESIDE GUIDES
LINK NOMINAL WIDTH0.2190 INCHES IN
NOMINAL PITCH DISTANCE0.188 INCHES IN
MINIMUM TENSILE STRENGTH750 POUNDS PER SQUARE INCH LBS
LINK ROW QUANTITY7
MATERIALSTEEL
LINK NOMINAL WIDTH BETWEEN PLATES0.2170 INCHES IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY O/A LG
SUBSTITUTES & CROSS-REFERENCES 3
SC0307-120INCHReference document
Same NSN cross-reference
Reference document — Secondary reference
SC0307Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
Y1021-4-151ZReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 343874?
343874 is a CHAIN,SILENT.
What parts can replace 343874?
There are 3 known substitutes for 343874: SC0307-120INCH, SC0307, Y1021-4-151Z. Substitute compatibility should be verified for your specific system.
What is the NSN for 343874?
343874 is cataloged in the U.S. Government catalog under NSN 3020-00-068-8327. 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.