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821178 — CHAIN,SILENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

821178: CHAIN,SILENT.

The CHAIN,SILENT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, link_style: SINGLE DRIVE LINK, effective_length: 1.0340 FEET NOMINAL FT, link_jacket_height: 0.1880 INCHES IN, link_nominal_width: 0.2188 INCHES IN, nominal_pitch_distance: 0.188 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-053-4362, 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
821178
NSN: 3020-01-053-4362
NIINs: 010534362, 012395306
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 58474 — SUPERIOR ELECTRIC HOLDING GROUP LLC DIV SPECIALTY PRODUCT TECHNOLOGIES (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
link_styleSINGLE DRIVE LINK
effective_length1.0340 FEET NOMINAL FT
link_row_quantity1
link_jacket_height0.1880 INCHES IN
link_nominal_width0.2188 INCHES IN
nominal_pitch_distance0.188 INCHES IN
NSN3020-01-053-4362
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CHAIN,SILENT TITLE COMPONENT PN 821178 MFR CHAIN,SILENT
KEY FEATURES
•
LINK STYLE: SIDE GUIDES
•
LINK NOMINAL WIDTH: 0.2180 INCHES IN
•
EFFECTIVE LENGTH: 1.9635 FEET NOMINAL FT
•
NOMINAL PITCH DISTANCE: 0.187 INCHES IN
•
LINK ROW QUANTITY: 5
•
MATERIAL: STEEL
•
LINK NOMINAL WIDTH BETWEEN PLATES: 0.1880 INCHES IN
TECHNICAL CHARACTERISTICS
LINK STYLESIDE GUIDES
LINK NOMINAL WIDTH0.2180 INCHES IN
EFFECTIVE LENGTH1.9635 FEET NOMINAL FT
NOMINAL PITCH DISTANCE0.187 INCHES IN
LINK ROW QUANTITY5
MATERIALSTEEL
LINK NOMINAL WIDTH BETWEEN PLATES0.1880 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
821178G5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 821178?
821178 is a CHAIN,SILENT.
What parts can replace 821178?
There is 1 known substitute for 821178: 821178G5. Substitute compatibility should be verified for your specific system.
What is the NSN for 821178?
821178 is cataloged in the U.S. Government catalog under NSN 3020-01-053-4362. 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.