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5521443 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5521443: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 2.0 MILLIMETERS NOMINAL MM, diameter: 8.0 MILLIMETERS NOMINAL MM, material: STEEL OVERALL, head_style: DEE, chamfer_length: 0.5 MILLIMETERS NOMINAL MM, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-498-8151, 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
5521443
NSN: 5315-01-498-8151
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
height2.0 MILLIMETERS NOMINAL MM
diameter8.0 MILLIMETERS NOMINAL MM
materialSTEEL OVERALL
head_styleDEE
chamfer_length0.5 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter16.0 MILLIMETERS NOMINAL MM
surface_treatmentNICKEL OVERALL
under_head_length18.0 MILLIMETERS NOMINAL MM
distance_from_centerline_to_flat7.0 MILLIMETERS NOMINAL MM
surface_treatment_document_and_classificationMIL-C-26074, CL 2, GR A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-498-8151
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5521443 · 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: 0.5 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-26074, CL 2, GR A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 7.0 MILLIMETERS NOMINAL MM
•
UNDER HEAD LENGTH: 18.0 MILLIMETERS NOMINAL MM
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 16.0 MILLIMETERS NOMINAL MM
•
DIAMETER: 8.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.5 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-26074, CL 2, GR A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT7.0 MILLIMETERS NOMINAL MM
UNDER HEAD LENGTH18.0 MILLIMETERS NOMINAL MM
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER16.0 MILLIMETERS NOMINAL MM
DIAMETER8.0 MILLIMETERS NOMINAL MM
HEAD STYLEDEE
HEIGHT2.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 2
1276-23-594Reference document
Same NSN cross-reference
Reference document — Secondary reference
5521004Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 5521443?
5521443 is a PIN,STRAIGHT,HEADED.
What parts can replace 5521443?
There are 2 known substitutes for 5521443: 1276-23-594, 5521004. Substitute compatibility should be verified for your specific system.
What is the NSN for 5521443?
5521443 is cataloged in the U.S. Government catalog under NSN 5315-01-498-8151. This indicates validated use in U.S. government and defense supply chains.
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