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SMC618306 — STUD,SCREWLOCK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SMC618306: STUD,SCREWLOCK.

The STUD,SCREWLOCK is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES QQ-S-764,0.112-40 UNC 2A,THREAD LENGTH 0.188 IN.,O/A LENGTH 0.906 IN.,STUD DIA 0.125 IN. A.

This part is cataloged in the U.S. Government catalog under NSN 5307-00-113-6285, 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
SMC618306
NSN: 5307-00-113-6285
NIINs: 001136285, 010984598
FSC: 5307 — Studs
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES QQ-S-764,0.112-40 UNC 2A,THREAD LENGTH 0.188 IN.,O/A LENGTH 0.906 IN.,STUD DIA 0.125 IN. A
NSN5307-00-113-6285
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SMC618306 · 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 DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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THREAD LENGTH: 0.190 INCHES MINIMUM AND 0.220 INCHES MAXIMUM NUT THREAD IN
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MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
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NOMINAL THREAD SIZE: 0.112 INCHES NUT THREAD IN
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SHOULDER DIAMETER: 0.187 INCHES NOMINAL IN
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SURFACE TREATMENT: PASSIVATE OVERALL
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THREAD CLASS: 2A NUT THREAD A
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THREAD QUANTITY PER INCH: 40 NUT THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.190 INCHES MINIMUM AND 0.220 INCHES MAXIMUM NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
NOMINAL THREAD SIZE0.112 INCHES NUT THREAD IN
SHOULDER DIAMETER0.187 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH40 NUT THREAD
MATERIALSTEEL COMP 303
SHOULDER LENGTH0.030 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SMC618306?
SMC618306 is a STUD,SCREWLOCK.
What is the NSN for SMC618306?
SMC618306 is cataloged in the U.S. Government catalog under NSN 5307-00-113-6285. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.