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120747 INDEX #12 — Technical Data Sheet

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— · 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, thread_series: UNF, thread_direction: RIGHT-HAND, nominal_thread_size: 0.880 INCHES IN, end_item_identification: CYLINDER ASSEMBLY N252715, thread_quantity_per_inch: 14. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-595-6604, 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
120747 INDEX #12
NSN: 5310-01-595-6604
FSC: 5310
CAGE: 60764 — WIGGINS LIFT CO INC (USA)
SPECIFICATIONS
materialSTEEL NUT
thread_seriesUNF
thread_directionRIGHT-HAND
nominal_thread_size0.880 INCHES IN
end_item_identificationCYLINDER ASSEMBLY N252715
thread_quantity_per_inch14
part_name_assigned_by_controlling_agencyNUT NYLOCK .88-14UNF
NSN5310-01-595-6604
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 120747 INDEX #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
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 14
•
NOMINAL THREAD SIZE: 0.880 INCHES IN
•
MATERIAL: PLASTIC NYLON LOCKING INSERT
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCYLINDER ASSEMBLY N252715
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH14
NOMINAL THREAD SIZE0.880 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT NYLOCK .88-14UNF
MATERIALPLASTIC NYLON LOCKING INSERT
MATERIALSTEEL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
101546Interchangeable
interchangeable cross-reference
interchangeable
74250333Interchangeable
interchangeable cross-reference
interchangeable
205GInterchangeable
interchangeable cross-reference
interchangeable
302714Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120747 INDEX #12?
120747 INDEX #12 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 120747 INDEX #12?
There are 4 known substitutes for 120747 INDEX #12: 101546, 74250333, 205G and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120747 INDEX #12?
120747 INDEX #12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-595-6604. 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: September 2026