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8455666 — SEMICONDUCTOR DEVICES,UNITIZED

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8455666: SEMICONDUCTOR DEVICES,UNITIZED.

The SEMICONDUCTOR DEVICES,UNITIZED is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-416-8048, 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
8455666
NSN: 3120-00-416-8048
NIINs: 004168048, 010929947, 016976177
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN3120-00-416-8048
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8455666 · 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
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
LOCKING LUG HEIGHT: 0.1100 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 8.2510 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
LOCKING LUG HEIGHT0.1100 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER8.2510 INCHES NOMINAL IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH4.1875 INCHES NOMINAL IN
BODY INSIDE DIAMETER7.5075 INCHES MINIMUM AND 7.5125 INCHES MAXIMUM IN
LOCKING LUG WIDTH0.5000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
8455823Reference document
Same NSN cross-reference
Reference document — Secondary reference
XL1924STDReference document
Same NSN cross-reference
Reference document — Secondary reference
8077811Reference document
Same NSN cross-reference
Reference document — Secondary reference
GB-8455666Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8455666?
8455666 is a SEMICONDUCTOR DEVICES,UNITIZED.
What parts can replace 8455666?
There are 4 known substitutes for 8455666: 8455823, XL1924STD, 8077811 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8455666?
8455666 is cataloged in the U.S. Government catalog under NSN 3120-00-416-8048. 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.