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7549820 — GEAR OPERATOR,ROTARY

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

7549820: GEAR OPERATOR,ROTARY.

The GEAR OPERATOR,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL AND STEEL CORROSION RESISTING AND NICKEL ALLOY AND RUBBER SYNTHETIC, overall_height: 8.700 INCHES NOMINAL IN, overall_length: 21.415 INCHES NOMINAL IN, end_item_identification: OHIO CLASS SSN TRIDENT, general_characteristics_item_description: THIS IS THE ENTIRE ASSEMBLY ABOVE THE GEAR BOX THAT ACTUATES THE VENT DAMPER ON A MISSILE TUBE, part_name_assigned_by_controlling_agency: SUPPORT ASSEMBLY, MRO VENT DAMPENER D-106. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-526-8705, 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
7549820
NSN: 3120-01-526-8705
NIINs: 015268705, 015268706, 015283710, 015283883
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL AND STEEL CORROSION RESISTING AND NICKEL ALLOY AND RUBBER SYNTHETIC
overall_height8.700 INCHES NOMINAL IN
overall_length21.415 INCHES NOMINAL IN
special_featuresTHIS ASSEMBLY INCLUDES THE HANDWHEEL AND UNIVERSAL JOINT, AS WELL AS THE SHAFT, SUPPORTS, AND HARDWARE TO ASSEMBLE. FOR THE ASSEMBLY WITHOUT THE HANDWHEEL AND UNIVERSAL JOINT SEE P/N 7549820-A1
end_item_identificationOHIO CLASS SSN TRIDENT
general_characteristics_item_descriptionTHIS IS THE ENTIRE ASSEMBLY ABOVE THE GEAR BOX THAT ACTUATES THE VENT DAMPER ON A MISSILE TUBE
part_name_assigned_by_controlling_agencySUPPORT ASSEMBLY, MRO VENT DAMPENER D-106
NSN3120-01-526-8705
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7549820 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
7549820-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G525-6201-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7549820?
7549820 is a GEAR OPERATOR,ROTARY.
What parts can replace 7549820?
There are 2 known substitutes for 7549820: 7549820-18, G525-6201-18. Substitute compatibility should be verified for your specific system.
What is the NSN for 7549820?
7549820 is cataloged in the U.S. Government catalog under NSN 3120-01-526-8705. This indicates validated use in U.S. government and defense supply chains.
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