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Z2-13 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.125 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-487-4994, 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
Z2-13
NSN: 5310-00-487-4994
FSC: 5310
CAGE: 11707 — IDEAL PRECISION METER CO DBA IDEAL PRECISION METER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
nut_height0.125 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch32
NSN5310-00-487-4994
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Z2-13 · 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
•
NUT HEIGHT: 0.125 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 32
•
BEARING SURFACE TYPE: FLAT
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.125 INCHES NOMINAL IN
THREAD CLASS2B
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH32
BEARING SURFACE TYPEFLAT
MATERIALCOPPER ALLOY OVERALL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTNICKEL OVERALL
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5325PL0820281Interchangeable
interchangeable cross-reference
interchangeable
2V8260Interchangeable
interchangeable cross-reference
interchangeable
3134Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z2-13?
Z2-13 is a NUT,PLAIN,HEXAGON.
What parts can replace Z2-13?
There are 3 known substitutes for Z2-13: 5325PL0820281, 2V8260, 3134. Substitute compatibility should be verified for your specific system.
What is the NSN for Z2-13?
Z2-13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-487-4994. 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