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5520541 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5520541: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 1.0 MILLIMETERS NOMINAL MM, diameter: 3.0 MILLIMETERS NOMINAL MM, material: STEEL COMP 1041 OR STEEL COMP 1040 OR STEEL COMP 1042 OVERALL, head_style: FLAT CHAMFER, chamfer_length: 0.6 MILLIMETERS NOMINAL MM, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-459-1779, 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
5520541
NSN: 5315-01-459-1779
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
height1.0 MILLIMETERS NOMINAL MM
diameter3.0 MILLIMETERS NOMINAL MM
materialSTEEL COMP 1041 OR STEEL COMP 1040 OR STEEL COMP 1042 OVERALL
head_styleFLAT CHAMFER
chamfer_length0.6 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter5.0 MILLIMETERS NOMINAL MM
surface_treatmentCADMIUM AND CHROMATE OVERALL
under_head_length10.0 MILLIMETERS NOMINAL MM
first_hole_diameter1.0 MILLIMETERS NOMINAL MM
hole_arrangement_styleONE END DRILLED
NSN5315-01-459-1779
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5520541 · 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
•
CHAMFER LENGTH: 0.6 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 10.0 MILLIMETERS NOMINAL MM
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 1.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 5.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.6 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH10.0 MILLIMETERS NOMINAL MM
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST HOLE DIAMETER1.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER5.0 MILLIMETERS NOMINAL MM
DIAMETER3.0 MILLIMETERS NOMINAL MM
HEAD STYLEFLAT CHAMFER
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 5520541?
5520541 is a PIN,STRAIGHT,HEADED.
What is the NSN for 5520541?
5520541 is cataloged in the U.S. Government catalog under NSN 5315-01-459-1779. 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.