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Technical Data Sheet
PartsTable / COMPONENT / 5245578
5245578 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN, diameter: 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, material: STEEL OVERALL, head_style: FLAT, chamfer_length: 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES SMALL CHAMFER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-524-5578, 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
5245578
NSN: 5315-00-524-5578
FSC: 5315
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
diameter0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
materialSTEEL OVERALL
head_styleFLAT
chamfer_length0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES SMALL CHAMFER
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
under_head_length0.484 INCHES NOMINAL IN
first_hole_diameter0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-524-5578
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5245578 · 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
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HEIGHT: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
•
SURFACE FINISH: 32.0 MICROINCHES SMALL CHAMFER
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.062 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HEIGHT0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES SMALL CHAMFER
HOLE ARRANGEMENT STYLEONE END DRILLED
CHAMFER LENGTH0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
HEAD STYLEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
6-01040Interchangeable
interchangeable cross-reference
interchangeable
MVT304Interchangeable
interchangeable cross-reference
interchangeable
21432-2Interchangeable
interchangeable cross-reference
interchangeable
123SCSA594-1Interchangeable
interchangeable cross-reference
interchangeable
214-3(22)Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5245578?
5245578 is a PIN,STRAIGHT,HEADED.
What parts can replace 5245578?
There are 5 known substitutes for 5245578: 6-01040, MVT304, 21432-2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5245578?
5245578 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-524-5578. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026