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PartsTable / COMPONENT / 281635PC10
281635PC10 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.763 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN, outside_diameter: 1.279 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OVERALL, material_thickness: 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, material_document_and_classification: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0684, 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
281635PC10
NSN: 5310-00-167-0684
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
hole_diameter0.763 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN
outside_diameter1.279 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-167-0684
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 281635PC10 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
HOLE DIAMETER: 0.763 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.279 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
HOLE DIAMETER0.763 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.279 INCHES MAXIMUM IN
MATERIAL THICKNESS0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
6442Interchangeable
interchangeable cross-reference
interchangeable
DOD-018Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/1727Interchangeable
interchangeable cross-reference
interchangeable
N1828Interchangeable
interchangeable cross-reference
interchangeable
6928JGCInterchangeable
interchangeable cross-reference
interchangeable
239161-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 281635PC10?
281635PC10 is a WASHER,LOCK.
What parts can replace 281635PC10?
There are 14 known substitutes for 281635PC10: 6442, DOD-018, MIL-PRF-1/1727 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 281635PC10?
281635PC10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0684. 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