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5525489 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5525489: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, first_end_style: RADIUS, second_end_style: SQUARE, pin_overall_length: 3.750 INCHES NOMINAL IN, pin_overall_diameter: 0.8750 INCHES NOMINAL IN, second_end_taper_angle: 3.0 DEGREES MINIMUM AND 5.0 DEGREES MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-340-8766, 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
5525489
NSN: 5315-01-340-8766
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
first_end_styleRADIUS
second_end_styleSQUARE
pin_overall_length3.750 INCHES NOMINAL IN
pin_overall_diameter0.8750 INCHES NOMINAL IN
second_end_taper_angle3.0 DEGREES MINIMUM AND 5.0 DEGREES MAXIMUM
first_end_corner_radius0.125 INCHES NOMINAL IN
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-340-8766
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5525489 · 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
•
SECOND END TAPER ANGLE: 3.0 DEGREES MINIMUM AND 5.0 DEGREES MAXIMUM
•
FIRST END STYLE: RADIUS
•
PIN OVERALL DIAMETER: 0.8750 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 3.750 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END STYLE: SQUARE
•
MATERIAL: STEEL COMP 1020 OVERALL
•
FIRST END CORNER RADIUS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND END TAPER ANGLE3.0 DEGREES MINIMUM AND 5.0 DEGREES MAXIMUM
FIRST END STYLERADIUS
PIN OVERALL DIAMETER0.8750 INCHES NOMINAL IN
PIN OVERALL LENGTH3.750 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLESQUARE
MATERIALSTEEL COMP 1020 OVERALL
FIRST END CORNER RADIUS0.125 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 5525489?
5525489 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 5525489?
5525489 is cataloged in the U.S. Government catalog under NSN 5315-01-340-8766. 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.