PartsTable
Technical Data Sheet
FFS386 ✓ 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 PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 3.000 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, end_item_identification: 2320-01-195-7641 M984A1 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-018-7988, 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
FFS386
NSN: 5315-00-018-7988
FSC: 5315
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
diameter0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
materialSTEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length3.000 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
end_item_identification2320-01-195-7641 M984A1 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK)
nondefinitive_spec/std_dataB TYPE AND 4 CLASS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-018-7988
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFS386 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DIAMETER: 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
POINT TYPE: EXTENDED PRONG SQUARE CUT
UNDERLOOP LENGTH: 1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DIAMETER0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
POINT TYPEEXTENDED PRONG SQUARE CUT
UNDERLOOP LENGTH1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
END ITEM IDENTIFICATION2320-01-195-7641 M984A1 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
9X110 3-16Interchangeable
interchangeable cross-reference
interchangeable
MS24665-561Interchangeable
interchangeable cross-reference
interchangeable
FFS386Interchangeable
interchangeable cross-reference
interchangeable
FFP386Interchangeable
Same NIIN cross-reference
interchangeable
MS24665-493Interchangeable
Same NIIN cross-reference
interchangeable
5315000187988Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFS386?
FFS386 is a PIN,COTTER.
What parts can replace FFS386?
There are 8 known substitutes for FFS386: 9X110 3-16, MS24665-561, FFS386 and 5 more. Substitute compatibility should be verified for your specific system.
Is FFS386 still available?
FFS386 is currently cancelled.
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