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Technical Data Sheet
PartsTable / COMPONENT / 489169
489169 ✓ Verified by PartsTable
— · 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 BELL CRANK is a the manufacturer industrial component. Key specifications include style_designator: FLAT, ONE OR MORE HOLES BOTH ARMS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-903-2169, 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
489169
NSN: 5310-00-903-2169
FSC: 5310
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
special_featuresCASEHARDENED; FULCRUM BORE PROVIDED; NOT INCLUDED: LUBRICATION FITTING ACCOMMODATION, FULCRUM SPLIT HUT, FULCRUM SHAFT, OR BEARINGS
style_designatorFLAT, ONE OR MORE HOLES BOTH ARMS
NSN5310-00-903-2169
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 489169 · OEM ⚠ 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
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
WASHER THICKNESS: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 28
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD PITCH DIAMETERS: +0.2150 TO 0.2227 INCHES IN
•
WASHER OUTSIDE DIAMETER: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
WASHER THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH28
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD PITCH DIAMETERS+0.2150 TO 0.2227 INCHES IN
WASHER OUTSIDE DIAMETER0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
649734Interchangeable
interchangeable cross-reference
interchangeable
H29605-4Interchangeable
interchangeable cross-reference
interchangeable
B00106-4Interchangeable
interchangeable cross-reference
interchangeable
489169Interchangeable
interchangeable cross-reference
interchangeable
FP4 PLUSInterchangeable
interchangeable cross-reference
interchangeable
564705Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 489169?
489169 is a BELL CRANK.
What parts can replace 489169?
There are 11 known substitutes for 489169: 649734, H29605-4, B00106-4 and 8 more. Substitute compatibility should be verified for your specific system.
Is 489169 still available?
489169 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