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143737 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, overall_height: 0.156 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 30.000 NOMINAL, body_inside_diameter: 0.984 INCHES NOMINAL IN, body_outside_diameter: 1.312 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 5310-00-172-8314, 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
143737
NSN: 5310-00-172-8314
FSC: 5310
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
overall_height0.156 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg30.000 NOMINAL
body_inside_diameter0.984 INCHES NOMINAL IN
body_outside_diameter1.312 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN5310-00-172-8314
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 143737 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
4410-00Interchangeable
interchangeable cross-reference
interchangeable
4820PL0860818Interchangeable
interchangeable cross-reference
interchangeable
4415PC9Interchangeable
interchangeable cross-reference
interchangeable
340664 PIECE 24Interchangeable
interchangeable cross-reference
interchangeable
143737Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 143737?
143737 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 143737?
There are 5 known substitutes for 143737: 4410-00, 4820PL0860818, 4415PC9 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 143737?
143737 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-172-8314. 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