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318-18CN500 — Technical Data Sheet

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— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.472 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 1.296 IN. MIN,1.326 IN.

MAX IN, style_designator: COIL, surface_treatment: PASSIVATE OVERALL, material_document_and_classification: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5325-00-721-9073, 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
318-18CN500
NSN: 5325-00-721-9073
FSC: 5325
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.472 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size1.296 IN. MIN,1.326 IN. MAX IN
style_designatorCOIL
surface_treatmentPASSIVATE OVERALL
material_document_and_classificationAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-721-9073
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 318-18CN500 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: COIL
•
LENGTH: 0.472 INCHES NOMINAL IN
•
INSERT SIZE: 1.296 IN. MIN,1.326 IN. MAX IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORCOIL
LENGTH0.472 INCHES NOMINAL IN
INSERT SIZE1.296 IN. MIN,1.326 IN. MAX IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
318-18CN X.500InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
50223InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 318-18CN500?
318-18CN500 is a INSERT,SCREW THREAD.
What parts can replace 318-18CN500?
There are 2 known substitutes for 318-18CN500: 318-18CN X.500, 50223. Substitute compatibility should be verified for your specific system.
What is the NSN for 318-18CN500?
318-18CN500 is cataloged in the Federal Logistics Information System under NSN 5325-00-721-9073. 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: October 2026