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Technical Data Sheet
PartsTable / COMPONENT / BFKX2
BFKX2 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, first_end_style: SQUARE, pin_overall_length: 0.238 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN, pin_overall_diameter: 0.0917 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.016 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-050-2098, 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
BFKX2
NSN: 5315-00-050-2098
FSC: 5315
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
first_end_styleSQUARE
pin_overall_length0.238 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
pin_overall_diameter0.0917 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.016 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-050-2098
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BFKX2 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
MATERIAL: STEEL COMP 303 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
PIN OVERALL LENGTH0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
37768Interchangeable
interchangeable cross-reference
interchangeable
846176103Interchangeable
interchangeable cross-reference
interchangeable
XTD4633Interchangeable
interchangeable cross-reference
interchangeable
RF03281Interchangeable
interchangeable cross-reference
interchangeable
502098-1Interchangeable
interchangeable cross-reference
interchangeable
502098Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BFKX2?
BFKX2 is a PIN,STRAIGHT,HEADLESS.
What parts can replace BFKX2?
There are 12 known substitutes for BFKX2: 37768, 846176103, XTD4633 and 9 more. Substitute compatibility should be verified for your specific system.
Is BFKX2 still available?
BFKX2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026