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5189904 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5189904: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, shank_length: 1.040 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.040 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, shank_diameter: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-300-3741, 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
5189904
NSN: 5315-01-300-3741
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 7X111 — GOLDEN EAGLE MFG (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
shank_length1.040 INCHES NOMINAL IN
thread_class2A A
thread_length1.040 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
shank_diameter0.312 INCHES NOMINAL IN
undercut_width0.167 INCHES NOMINAL IN
first_end_styleCHAMFERED
style_designatorUNDERCUT
thread_directionRIGHT-HAND
shoulder_diameter0.375 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
NSN5315-01-300-3741
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5189904 · 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: 0.312 INCHES NOMINAL IN
•
UNDERCUT WIDTH: 0.167 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.083 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.226 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
THREAD LENGTH: 1.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.312 INCHES NOMINAL IN
UNDERCUT WIDTH0.167 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.083 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.226 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLEONE END DRILLED
THREAD LENGTH1.040 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.1885 INCHES MINIMUM AND 0.1890 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 5189904?
5189904 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 5189904?
5189904 is cataloged in the U.S. Government catalog under NSN 5315-01-300-3741. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.