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PartsTable / COMPONENT / 431664
431664 ✓ 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 SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include diameter: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, material: COPPER ALLOY 268 OVERALL, point_type: STANDARD, style_designator: STANDARD, underloop_length: 1.500 INCHES NOMINAL IN, end_item_identification: EAGLE-6 FIELD CRASH TENDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-043-1664, 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
431664
NSN: 5315-00-043-1664
FSC: 5315
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
diameter0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
materialCOPPER ALLOY 268 OVERALL
point_typeSTANDARD
style_designatorSTANDARD
underloop_length1.500 INCHES NOMINAL IN
end_item_identificationEAGLE-6 FIELD CRASH TENDER
nondefinitive_spec/std_dataA TYPE
material_document_and_classificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-043-1664
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 431664 · 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
•
STYLE DESIGNATOR: STANDARD
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
POINT TYPE: STANDARD
•
DIAMETER: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 268 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
UNDERLOOP LENGTH: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTANDARD
NONDEFINITIVE SPEC/STD DATAA TYPE
POINT TYPESTANDARD
DIAMETER0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 268 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
UNDERLOOP LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5315PL1390659Interchangeable
interchangeable cross-reference
interchangeable
FFP386BTYPEAInterchangeable
interchangeable cross-reference
interchangeable
10118820Interchangeable
interchangeable cross-reference
interchangeable
431664Interchangeable
interchangeable cross-reference
interchangeable
3F2771Interchangeable
Same NIIN cross-reference
interchangeable
FFP386Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 431664?
431664 is a SWITCH,TOGGLE.
What parts can replace 431664?
There are 6 known substitutes for 431664: 5315PL1390659, FFP386BTYPEA, 10118820 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 431664?
431664 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-043-1664. 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