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8H9749 — CHAIN,ROLLER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8H9749: CHAIN,ROLLER.

The CHAIN,ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL, effective_length: 1.5313 FEET NOMINAL FT, features_provided: ENDLESS CHAIN, pin_overall_length: 0.4650 INCHES NOMINAL IN, pin_fastening_method: SPRING TENSION, first_chain_link_style: ROLLER. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-019-7809, 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
8H9749
NSN: 3020-00-019-7809
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
effective_length1.5313 FEET NOMINAL FT
features_providedENDLESS CHAIN
link_row_quantity1
pin_overall_length0.4650 INCHES NOMINAL IN
pin_fastening_methodSPRING TENSION
first_chain_link_styleROLLER
second_chain_link_stylePIN
first_chain_link_plate_width0.360 INCHES NOMINAL IN
second_chain_link_plate_width0.3000 INCHES NOMINAL IN
second_chain_link_pin_nominal_diameter0.1400 INCHES IN
first_chain_link_plate_nominal_thickness0.0500 INCHES IN
NSN3020-00-019-7809
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CHAIN,ROLLER TITLE COMPONENT PN 8H9749 MFR CHAIN,ROLLER
KEY FEATURES
•
SECOND CHAIN LINK PIN NOMINAL DIAMETER: 0.1400 INCHES IN
•
SECOND CHAIN LINK PLATE NOMINAL THICKNESS: 0.0500 INCHES IN
•
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER: 0.2000 INCHES IN
•
PIN OVERALL LENGTH: 0.4650 INCHES NOMINAL IN
•
SECOND CHAIN LINK STYLE: PIN
•
EFFECTIVE LENGTH: 1.5313 FEET NOMINAL FT
•
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES: 0.3000 INCHES IN
•
FIRST CHAIN LINK STYLE: ROLLER
TECHNICAL CHARACTERISTICS
SECOND CHAIN LINK PIN NOMINAL DIAMETER0.1400 INCHES IN
SECOND CHAIN LINK PLATE NOMINAL THICKNESS0.0500 INCHES IN
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER0.2000 INCHES IN
PIN OVERALL LENGTH0.4650 INCHES NOMINAL IN
SECOND CHAIN LINK STYLEPIN
EFFECTIVE LENGTH1.5313 FEET NOMINAL FT
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES0.3000 INCHES IN
FIRST CHAIN LINK STYLEROLLER
FEATURES PROVIDEDENDLESS CHAIN
FIRST CHAIN LINK PLATE WIDTH0.360 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 8H9749?
8H9749 is a CHAIN,ROLLER.
What is the NSN for 8H9749?
8H9749 is cataloged in the U.S. Government catalog under NSN 3020-00-019-7809. 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.