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2431878-1 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2431878-1: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, thread_class: 2A A, thread_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, overall_length: 6.593 INCHES NOMINAL IN, first_end_style: CHAMFERED, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-225-6396, 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
2431878-1
NSN: 5315-01-225-6396
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
thread_class2A A
thread_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
overall_length6.593 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleSQUARE
style_designatorSHOULDER
thread_directionRIGHT-HAND
first_step_length0.140 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
third_step_length5.187 INCHES NOMINAL IN
first_end_locationCHAMFERED END
NSN5315-01-225-6396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2431878-1 · 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: CHAMFERED END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THIRD STEP DIAMETER: 0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
FIRST STEP WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
SECOND STEP LENGTH: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONCHAMFERED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THIRD STEP DIAMETER0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
FIRST STEP WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
SECOND STEP LENGTH0.094 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH6.593 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 2431878-1?
2431878-1 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 2431878-1?
2431878-1 is cataloged in the U.S. Government catalog under NSN 5315-01-225-6396. This indicates validated use in U.S. government and defense supply chains.
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