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Technical Data Sheet
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5D3-02278 — BOOM,HOISTING,MARINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5D3-02278: BOOM,HOISTING,MARINE.

The BOOM,HOISTING,MARINE is a the manufacturer industrial component. Key specifications include end_item_identification: BOOM ASSEMBLY SIDE PORT. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-438-0109, 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
5D3-02278
NSN: 3020-01-438-0109
NIINs: 014380109, 014380118, 015066852
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
end_item_identificationBOOM ASSEMBLY SIDE PORT
NSN3020-01-438-0109
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BOOM,HOISTING,MARINE TITLE COMPONENT PN 5D3-02278 MFR BOOM,HOISTING,MARINE
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 4.7500 INCHES NOMINAL BB END IN
•
SECURING METHOD: SETSCREW
•
BORE LENGTH: 1.9380 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 1.0000 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 80-1
•
OUTSIDE DIAMETER: 10.4300 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER4.7500 INCHES NOMINAL BB END IN
SECURING METHODSETSCREW
BORE LENGTH1.9380 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH1.0000 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER80-1
OUTSIDE DIAMETER10.4300 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
QUANTITY1
STYLE DESIGNATORPLAIN
SUBSTITUTES & CROSS-REFERENCES 3
5C9-03064Reference document
Same NSN cross-reference
Reference document — Secondary reference
5D3-02404Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
5D3-02404 IT NO 12Reference 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 5D3-02278?
5D3-02278 is a BOOM,HOISTING,MARINE.
What parts can replace 5D3-02278?
There are 3 known substitutes for 5D3-02278: 5C9-03064, 5D3-02404, 5D3-02404 IT NO 12. Substitute compatibility should be verified for your specific system.
What is the NSN for 5D3-02278?
5D3-02278 is cataloged in the U.S. Government catalog under NSN 3020-01-438-0109. 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.