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8518557-3 — PIN,STRAIGHT,KNURLED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8518557-3: PIN,STRAIGHT,KNURLED.

The PIN,STRAIGHT,KNURLED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OVERALL, first_end_style: CHAMFERED, special_features: FINISHED FUSED ELECTROPLATE TIN-LEAD, style_designator: STRAIGHT KNURLED, first_end_taper_angle: 45.0 DEGREES NOMINAL, first_end_taper_length: 0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-428-9535, 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
8518557-3
NSN: 5315-01-428-9535
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OVERALL
first_end_styleCHAMFERED
special_featuresFINISHED FUSED ELECTROPLATE TIN-LEAD
style_designatorSTRAIGHT KNURLED
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-428-9535
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8518557-3 · 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: 0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: STRAIGHT KNURLED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: COPPER ALLOY 172 OVERALL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
STYLE DESIGNATORSTRAIGHT KNURLED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURESFINISHED FUSED ELECTROPLATE TIN-LEAD
MATERIALCOPPER ALLOY 172 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 8518557-3?
8518557-3 is a PIN,STRAIGHT,KNURLED.
What is the NSN for 8518557-3?
8518557-3 is cataloged in the U.S. Government catalog under NSN 5315-01-428-9535. 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.