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Technical Data Sheet
PartsTable / COMPONENT / PF-52
PF-52 ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include height: 0.125 INCHES NOMINAL IN, diameter: 0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN, material: STEEL COMP 1020 OVERALL, head_style: FLAT, design_type: NONREUSABLE, body_diameter: 3.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-200-6503, 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
PF-52
NSN: 5315-00-200-6503
FSC: 5315
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
height0.125 INCHES NOMINAL IN
diameter0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
materialSTEEL COMP 1020 OVERALL
head_styleFLAT
design_typeNONREUSABLE
body_diameter3.000 INCHES NOMINAL IN
chamfer_length0.031 INCHES NOMINAL IN
flow_directionINSIDE OUT
style_designatorBOWL
features_providedCASEHARDENED
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.500 INCHES NOMINAL IN
NSN5315-00-200-6503
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PF-52 · 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
•
HEAD STYLE: FLAT
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
PIN HEAD DIAMETER: 0.500 INCHES NOMINAL IN
•
HEIGHT: 0.125 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
CHAMFER LENGTH: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
DIAMETER: 0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
PIN HEAD DIAMETER0.500 INCHES NOMINAL IN
HEIGHT0.125 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
CHAMFER LENGTH0.031 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
DIAMETER0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.250 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
51036Interchangeable
interchangeable cross-reference
interchangeable
25171377Interchangeable
interchangeable cross-reference
interchangeable
PF-51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PF-52?
PF-52 is a FILTER ELEMENT,FLUID.
What parts can replace PF-52?
There are 3 known substitutes for PF-52: 51036, 25171377, PF-51. Substitute compatibility should be verified for your specific system.
What is the NSN for PF-52?
PF-52 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-200-6503. 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