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900016-27 ✓ Verified by PartsTable
Lenovo · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a Lenovo industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.012 INCHES NOMINAL IN, hole_diameter: 0.125 INCHES NOMINAL IN, overall_diameter: 0.187 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-836-4430, 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
900016-27
NSN: 5310-00-836-4430
FSC: 5310
CAGE: 05257 — GENERAL DYNAMICS LAND SYSTEMS - CANADACORPORATION DIV GENERAL DYNAMICS MISSION SYSTEMS (CAN)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.012 INCHES NOMINAL IN
hole_diameter0.125 INCHES NOMINAL IN
overall_diameter0.187 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-836-4430
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 900016-27 · Lenovo ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
OVERALL DIAMETER: 0.187 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.012 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL DIAMETER0.187 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.125 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.012 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
177030-107Interchangeable
interchangeable cross-reference
interchangeable
B45XInterchangeable
interchangeable cross-reference
interchangeable
180149Interchangeable
interchangeable cross-reference
interchangeable
B45Interchangeable
interchangeable cross-reference
interchangeable
2172455Interchangeable
interchangeable cross-reference
interchangeable
2Y2856XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 900016-27?
900016-27 is a WASHER,FLAT manufactured by Lenovo.
What parts can replace 900016-27?
There are 20 known substitutes for 900016-27: 177030-107, B45X, 180149 and 17 more. Substitute compatibility should be verified for your specific system.
Is 900016-27 still available?
900016-27 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026