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PartsTable / COMPONENT / D818PC5
D818PC5 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: HAIR OR HAIR CATTLE OVERALL, thickness: 0.188 INCHES NOMINAL IN, hole_diameter: 1.188 INCHES NOMINAL IN, overall_diameter: 1.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-290-1464, 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
D818PC5
NSN: 5310-00-290-1464
FSC: 5310
CAGE: 46175 — PEERLESS-WINSMITH, INC. DBA PEERLESS WINSMITH (USA)
SPECIFICATIONS
materialHAIR OR HAIR CATTLE OVERALL
thickness0.188 INCHES NOMINAL IN
hole_diameter1.188 INCHES NOMINAL IN
overall_diameter1.750 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-202 TY 1 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-290-1464
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D818PC5 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: C-F-202 TY 1 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: HAIR OR HAIR CATTLE OVERALL
•
HOLE DIAMETER: 1.188 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.188 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-202 TY 1 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALHAIR OR HAIR CATTLE OVERALL
HOLE DIAMETER1.188 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.188 INCHES NOMINAL IN
OVERALL DIAMETER1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MR5AInterchangeable
interchangeable cross-reference
interchangeable
A5-147Interchangeable
interchangeable cross-reference
interchangeable
40032Interchangeable
interchangeable cross-reference
interchangeable
J41891-2PC18Interchangeable
Same NIIN cross-reference
interchangeable
B5257ITEM53Interchangeable
Same NIIN cross-reference
interchangeable
B4880ITEM92Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D818PC5?
D818PC5 is a WASHER,FLAT.
What parts can replace D818PC5?
There are 11 known substitutes for D818PC5: MR5A, A5-147, 40032 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D818PC5?
D818PC5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-290-1464. 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