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818703-1 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

818703-1: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_class: 2A NUT THREAD A, style_designator: SHOULDERED, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.138 INCHES STUD THREAD IN, end_item_identification: AIRCRAFT, HERCULES C-130. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-438-4125, 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
818703-1
NSN: 5307-00-438-4125
NIINs: 004384125, 008722582, 015943389
FSC: 5307 — Studs
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_class2A NUT THREAD A
style_designatorSHOULDERED
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.138 INCHES STUD THREAD IN
end_item_identificationAIRCRAFT, HERCULES C-130
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-00-438-4125
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 818703-1 · 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
•
STYLE DESIGNATOR: SHOULDERED
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD CLASS: 2A STUD THREAD A
•
THREAD QUANTITY PER INCH: 32 STUD THREAD
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSHOULDERED
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.138 INCHES STUD THREAD IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A STUD THREAD A
THREAD CLASS2A NUT THREAD A
END ITEM IDENTIFICATIONAIRCRAFT, HERCULES C-130
THREAD QUANTITY PER INCH32 STUD THREAD
THREAD QUANTITY PER INCH32 NUT THREAD
MATERIALCOPPER ALLOY
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 818703-1?
818703-1 is a CIRCUIT CARD ASSEMBLY.
What is the NSN for 818703-1?
818703-1 is cataloged in the U.S. Government catalog under NSN 5307-00-438-4125. 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.