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8559186-01 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8559186-01: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 6150 OVERALL, overall_length: 0.630 INCHES NOMINAL IN, first_end_style: SQUARE, style_designator: CENTER GROOVE, first_end_location: BOTH ENDS, intermediate_diameter: 0.195 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-252-1018, 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
8559186-01
NSN: 5315-01-252-1018
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 18894 — AIR ARMAMENT CENTER/ EN (USA)
SPECIFICATIONS
materialSTEEL COMP 6150 OVERALL
overall_length0.630 INCHES NOMINAL IN
first_end_styleSQUARE
style_designatorCENTER GROOVE
first_end_locationBOTH ENDS
intermediate_diameter0.195 INCHES NOMINAL IN
pin_small_end_diameter0.180 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-252-1018
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8559186-01 · 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: BOTH ENDS
•
FIRST END STYLE: SQUARE
•
INTERMEDIATE DIAMETER: 0.195 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CENTER GROOVE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN SMALL END DIAMETER: 0.180 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 6150 OVERALL
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONBOTH ENDS
FIRST END STYLESQUARE
INTERMEDIATE DIAMETER0.195 INCHES NOMINAL IN
STYLE DESIGNATORCENTER GROOVE
OVERALL LENGTH0.630 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN SMALL END DIAMETER0.180 INCHES NOMINAL IN
MATERIALSTEEL COMP 6150 OVERALL
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 8559186-01?
8559186-01 is a PIN,GROOVED,HEADLESS.
What is the NSN for 8559186-01?
8559186-01 is cataloged in the U.S. Government catalog under NSN 5315-01-252-1018. 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.