PartsTable
Technical Data Sheet
F21105 ✓ 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,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, pilot_length: 2.328 INCHES NOMINAL IN, overall_length: 4.4275 INCHES MINIMUM AND 4.4475 INCHES MAXIMUM IN, first_end_style: OVAL, style_designator: ONE HALF GROOVE, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-881-1407, 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
F21105
NSN: 5315-00-881-1407
FSC: 5315
CAGE: 83584 — DRIV-LOK INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
pilot_length2.328 INCHES NOMINAL IN
overall_length4.4275 INCHES MINIMUM AND 4.4475 INCHES MAXIMUM IN
first_end_styleOVAL
style_designatorONE HALF GROOVE
surface_treatmentCADMIUM OVERALL
first_end_locationBOTH ENDS
first_end_outer_radius0.531 INCHES NOMINAL IN
pin_large_end_diameter0.457 INCHES MINIMUM AND 0.461 INCHES MAXIMUM IN
pin_small_end_diameter0.4375 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationQQ-P-416 TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-881-1407
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F21105 · 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
FIRST END STYLE: OVAL
PILOT LENGTH: 2.328 INCHES NOMINAL IN
PIN LARGE END DIAMETER: 0.457 INCHES MINIMUM AND 0.461 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
FIRST END LOCATION: BOTH ENDS
FIRST END OUTER RADIUS: 0.531 INCHES NOMINAL IN
PIN SMALL END DIAMETER: 0.4375 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLEOVAL
PILOT LENGTH2.328 INCHES NOMINAL IN
PIN LARGE END DIAMETER0.457 INCHES MINIMUM AND 0.461 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END LOCATIONBOTH ENDS
FIRST END OUTER RADIUS0.531 INCHES NOMINAL IN
PIN SMALL END DIAMETER0.4375 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORONE HALF GROOVE
OVERALL LENGTH4.4275 INCHES MINIMUM AND 4.4475 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A8865Interchangeable
interchangeable cross-reference
interchangeable
SS1101Interchangeable
interchangeable cross-reference
interchangeable
8409763Interchangeable
interchangeable cross-reference
interchangeable
CInterchangeable
interchangeable cross-reference
interchangeable
TYPE CInterchangeable
interchangeable cross-reference
interchangeable
50005LGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F21105?
F21105 is a PIN,GROOVED,HEADLESS.
What parts can replace F21105?
There are 6 known substitutes for F21105: A8865, SS1101, 8409763 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F21105?
F21105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-881-1407. This indicates validated use in U.S. government and defense supply chains.
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