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15740 ✓ 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

MOLD,POTTING,ELECTRICAL CONNECTO. Key specifications include color: BLACK, window: NOT INCLUDED, material: STEEL CORROSION RESISTING, point_type: STRAIGHT, tip_diameter: 25.0 MILLIMETERS NOMINAL MM, size_designation: 20. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-128-1186, 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
15740
NSN: 5315-00-128-1186
FSC: 5315
CAGE: 0BND4 — STANADYNE CORPORATION DBA STANADYNE DIESEL SYSTEMS (USA)
SPECIFICATIONS
colorBLACK
windowNOT INCLUDED
materialSTEEL CORROSION RESISTING
point_typeSTRAIGHT
tip_diameter25.0 MILLIMETERS NOMINAL MM
size_designation20
special_featuresRASPBERRY FLAVOR, 25% ALUMINUM SULFATE GEL
design_designationORTHODONTIC
end_item_identification3805-01-431-1165,TRUCK,DUMP;ARMY WEAPONS SYSTEM CODE,WF,TRUCK,LINE HAUL TRACTOR (M915 SERIES)
part_name_assigned_by_controlling_agencyFERRIC SULFATE GEL
NSN5315-00-128-1186
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 15740 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21147Interchangeable
interchangeable cross-reference
interchangeable
23072Interchangeable
interchangeable cross-reference
interchangeable
M108CInterchangeable
interchangeable cross-reference
interchangeable
2-696ZInterchangeable
interchangeable cross-reference
interchangeable
412120Interchangeable
interchangeable cross-reference
interchangeable
412120DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15740?
15740 is a MOLD,POTTING,ELECTRICAL CONNECTO.
What parts can replace 15740?
There are 13 known substitutes for 15740: 21147, 23072, M108C and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15740?
15740 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-128-1186. 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