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7030-78-240-4101 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7030-78-240-4101: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, shank_length: 1.800 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.530 INCHES NOMINAL IN, overall_length: 3.120 INCHES NOMINAL IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-342-0446, 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
7030-78-240-4101
NSN: 5315-01-342-0446
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
shank_length1.800 INCHES NOMINAL IN
thread_class3A A
thread_length1.530 INCHES NOMINAL IN
overall_length3.120 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleTHREADED AND COUNTERBORED
special_featuresSHOULDER RECESS THD,1.750-12 UN-3B
thread_directionRIGHT-HAND
shoulder_diameter2.250 INCHES NOMINAL IN
first_end_locationSMALL END
nominal_thread_size0.500 INCHES IN
NSN5315-01-342-0446
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7030-78-240-4101 · 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 LOCATION: SMALL END
•
FIRST END COUNTERBORE DIAMETER: 1.760 INCHES NOMINAL IN
•
THREAD LENGTH: 1.530 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 1.800 INCHES NOMINAL IN
•
FIRST END TAPER ANGLE: 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONSMALL END
FIRST END COUNTERBORE DIAMETER1.760 INCHES NOMINAL IN
THREAD LENGTH1.530 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
SHANK LENGTH1.800 INCHES NOMINAL IN
OVERALL LENGTH3.120 INCHES NOMINAL IN
FIRST END TAPER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES 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 7030-78-240-4101?
7030-78-240-4101 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 7030-78-240-4101?
7030-78-240-4101 is cataloged in the U.S. Government catalog under NSN 5315-01-342-0446. This indicates validated use in U.S. government and defense supply chains.
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