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PartsTable / COMPONENT / 12Z10002-12
12Z10002-12 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL, hole_diameter: 2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN, outside_diameter: 2.656 INCHES MINIMUM AND 2.686 INCHES MAXIMUM IN, style_designator: KEY, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-2911, 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
12Z10002-12
NSN: 5310-00-198-2911
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
hole_diameter2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN
outside_diameter2.656 INCHES MINIMUM AND 2.686 INCHES MAXIMUM IN
style_designatorKEY
surface_treatmentPASSIVATE OVERALL
material_thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
external_key_quantity17
external_prebent_key_width0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
internal_prebent_key_width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
internal_prebent_key_length0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
overall_distance_including_keys3.109 INCHES MAXIMUM IN
material_document_and_classificationFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-198-2911
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12Z10002-12 · 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
•
HOLE DIAMETER: 2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
•
INTERNAL PREBENT KEY LENGTH: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.656 INCHES MINIMUM AND 2.686 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
INTERNAL PREBENT KEY LENGTH0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.656 INCHES MINIMUM AND 2.686 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY WIDTH0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY17
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
W09Interchangeable
interchangeable cross-reference
interchangeable
E2645PC30Interchangeable
interchangeable cross-reference
interchangeable
35515PC14Interchangeable
interchangeable cross-reference
interchangeable
W11STAINLESSSTEELInterchangeable
Same NIIN cross-reference
interchangeable
3262163Interchangeable
Same NIIN cross-reference
interchangeable
MIL-W-21338AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z10002-12?
12Z10002-12 is a WASHER,KEY.
What parts can replace 12Z10002-12?
There are 7 known substitutes for 12Z10002-12: W09, E2645PC30, 35515PC14 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z10002-12?
12Z10002-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-2911. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026