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HS5678C4-2-4 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HS5678C4-2-4: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 3A A, thread_length: 0.405 INCHES NOMINAL IN, shank_diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, first_end_style: CHAMFERED, second_end_style: RADIUS. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-561-2756, 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
HS5678C4-2-4
NSN: 5315-01-561-2756
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 84256 — AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class3A A
thread_length0.405 INCHES NOMINAL IN
shank_diameter0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
first_end_styleCHAMFERED
second_end_styleRADIUS
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
first_end_locationROUND END
width_between_flats0.438 INCHES NOMINAL IN
first_end_tip_radius0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
NSN5315-01-561-2756
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HS5678C4-2-4 · 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: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.250 INCHES NOMINAL IN
•
FIRST END LOCATION: ROUND END
•
SECOND END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
THREAD LENGTH: 0.405 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.250 INCHES NOMINAL IN
FIRST END LOCATIONROUND END
SECOND END TAPER ANGLE45.0 DEGREES NOMINAL
THREAD LENGTH0.405 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
STYLE DESIGNATORSHOULDER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.438 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS5678C4-2-4?
HS5678C4-2-4 is a PIN,SHOULDER,HEADLESS.
What is the NSN for HS5678C4-2-4?
HS5678C4-2-4 is cataloged in the U.S. Government catalog under NSN 5315-01-561-2756. This indicates validated use in U.S. government and defense supply chains.
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