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ZA68645-02K — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ZA68645-02K: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_height: 0.262 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN, nut_length: 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN, plate_width: 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-941-0169, 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
ZA68645-02K
NSN: 5310-00-941-0169
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_height0.262 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
nut_length0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN
plate_width0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentSILVER OVERALL
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
NSN5310-00-941-0169
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ZA68645-02K · 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
•
PLATE THICKNESS: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
NUT LENGTH: 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
PLATE WIDTH: 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
NUT LENGTH0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
494513Reference 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 ZA68645-02K?
ZA68645-02K is a NUT,SELF-LOCKING,PLATE.
What parts can replace ZA68645-02K?
There is 1 known substitute for ZA68645-02K: 494513. Substitute compatibility should be verified for your specific system.
What is the NSN for ZA68645-02K?
ZA68645-02K is cataloged in the U.S. Government catalog under NSN 5310-00-941-0169. 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.