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HS5678C6-2-5 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HS5678C6-2-5: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, thread_class: 3A A, thread_length: 0.375 INCHES NOMINAL IN, first_end_style: CHAMFERED, second_end_style: SQUARE, special_features: THREADED PORTION 0.500 IN LENGTH IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-538-9406, 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
HS5678C6-2-5
NSN: 5315-01-538-9406
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
thread_class3A A
thread_length0.375 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleSQUARE
special_featuresTHREADED PORTION 0.500 IN LENGTH IN
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
first_end_locationTAPERED END
nominal_thread_size0.375 INCHES IN
first_end_tip_radius0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
NSN5315-01-538-9406
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HS5678C6-2-5 · 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 TAPER LENGTH: 0.375 INCHES NOMINAL IN
•
FIRST END LOCATION: TAPERED END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: SHOULDER
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.375 INCHES NOMINAL IN
FIRST END LOCATIONTAPERED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.375 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
STYLE DESIGNATORSHOULDER
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
FIRST END TIP RADIUS0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM 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 HS5678C6-2-5?
HS5678C6-2-5 is a PIN,SHOULDER,HEADLESS.
What is the NSN for HS5678C6-2-5?
HS5678C6-2-5 is cataloged in the U.S. Government catalog under NSN 5315-01-538-9406. This indicates validated use in U.S. government and defense supply chains.
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