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3M943C3-3D6 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3M943C3-3D6: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303SE OVERALL, shank_length: 0.533 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.345 INCHES NOMINAL IN, overall_length: 1.223 INCHES NOMINAL IN, shank_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-213-5563, 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
3M943C3-3D6
NSN: 5315-01-213-5563
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303SE OVERALL
shank_length0.533 INCHES NOMINAL IN
thread_class3A A
thread_length0.345 INCHES NOMINAL IN
overall_length1.223 INCHES NOMINAL IN
shank_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
first_end_styleSQUARE
second_end_styleCHAMFERED
style_designatorSHOULDER
thread_directionRIGHT-HAND
shoulder_diameter0.375 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
NSN5315-01-213-5563
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3M943C3-3D6 · 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
•
SHANK DIAMETER: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.1851 INCHES MINIMUM AND 0.1863 INCHES MAXIMUM IN
•
FIRST END LOCATION: THREADED END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SECOND END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
THREAD LENGTH: 0.345 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.1851 INCHES MINIMUM AND 0.1863 INCHES MAXIMUM IN
FIRST END LOCATIONTHREADED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SECOND END TAPER ANGLE45.0 DEGREES NOMINAL
HOLE ARRANGEMENT STYLEONE END DRILLED
THREAD LENGTH0.345 INCHES NOMINAL IN
FIRST END STYLESQUARE
FIRST HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
SHANK LENGTH0.533 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 2
WC943C3-3D6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3M946C3-3D6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M943C3-3D6?
3M943C3-3D6 is a PIN,SHOULDER,HEADLESS.
What parts can replace 3M943C3-3D6?
There are 2 known substitutes for 3M943C3-3D6: WC943C3-3D6, 3M946C3-3D6. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M943C3-3D6?
3M943C3-3D6 is cataloged in the U.S. Government catalog under NSN 5315-01-213-5563. This indicates validated use in U.S. government and defense supply chains.
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