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180168 — KEYTOP,KEYBOARD

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

180168: KEYTOP,KEYBOARD.

The KEYTOP,KEYBOARD is a the manufacturer industrial component. Key specifications include material: RUBBER, corner_shape: RELIEF GROOVE LEFT FLANGE BODY CORNER, flange_width: 0.1562 INCHES NOMINAL IN, overall_length: 1.8125 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-618-1597, 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
MRO→ MRO_GENERAL→ 180168
NSN: 3120-00-618-1597
NIINs: 006181597, 008225591, 011424458
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialRUBBER
corner_shapeRELIEF GROOVE LEFT FLANGE BODY CORNER
flange_width0.1562 INCHES NOMINAL IN
overall_length1.8125 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.2350 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM IN
body_outside_diameter1.0005 INCHES MINIMUM AND 1.0010 INCHES MAXIMUM IN
flange_outside_diameter1.1780 INCHES MINIMUM AND 1.1880 INCHES MAXIMUM IN
NSN3120-00-618-1597
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 180168 · 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
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPERELIEF GROOVE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
SUBSTITUTES & CROSS-REFERENCES 3
NB6441PC881Reference document
Same NSN cross-reference
Reference document — Secondary reference
881NB6441Reference document
Same NSN cross-reference
Reference document — Secondary reference
180054Reference 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 180168?
180168 is a KEYTOP,KEYBOARD. It is classified as a MRO (MRO_GENERAL).
What parts can replace 180168?
There are 3 known substitutes for 180168: NB6441PC881, 881NB6441, 180054. Substitute compatibility should be verified for your specific system.
What is the NSN for 180168?
180168 is cataloged in the U.S. Government catalog under NSN 3120-00-618-1597. 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.