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N81 — ADAPTER,SWITCH ACTUATOR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

N81: ADAPTER,SWITCH ACTUATOR.

The ADAPTER,SWITCH ACTUATOR is a the manufacturer industrial component. Key specifications include width: 10.000 INCHES NOMINAL IN, length: 12.000 INCHES NOMINAL IN, material: PLASTIC POLYESTER, film_type: PHOTOMECHANICAL, base_color: CLEAR, usage_form: SHEET. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0522, 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
N81
NSN: 3110-00-100-0522
NIINs: 001000522, 005290354, 012018964, 012270254
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
width10.000 INCHES NOMINAL IN
length12.000 INCHES NOMINAL IN
materialPLASTIC POLYESTER
film_typePHOTOMECHANICAL
base_colorCLEAR
usage_formSHEET
film_subtypeCONTACT AND PROJECTION
emulsion_typeBLACK AND WHITE
nominal_width0.500 INCHES IN
performance_typeSTANDARD CAPACITY
style_designatorPLAIN, COG OR NOTCHED
reproduction_typeNEGATIVE OR POSITIVE
NSN3110-00-100-0522
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: N81 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 8
51078Reference document
Same NSN cross-reference
Reference document — Secondary reference
15250Reference document
Same NSN cross-reference
Reference document — Secondary reference
510278Reference document
Same NSN cross-reference
Reference document — Secondary reference
15021WReference document
Same NSN cross-reference
Reference document — Secondary reference
4723397Reference document
Same NSN cross-reference
Reference document — Secondary reference
ME88-1Reference 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 N81?
N81 is a ADAPTER,SWITCH ACTUATOR.
What parts can replace N81?
There are 8 known substitutes for N81: 51078, 15250, 510278 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N81?
N81 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0522. 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.