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A10385 — OVERCURRENT ASSY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A10385: OVERCURRENT ASSY.

The OVERCURRENT ASSY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1031 OR STEEL COMP 1035 OVERALL, nut_style: ROUND, head_style: HEXAGON, head_height: 0.156 INCHES NOMINAL IN, nut_diameter: 1.000 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-185-6400, 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
MRO→ MRO_GENERAL→ A10385
NSN: 5310-00-185-6400
NIINs: 001856400, 006161513, 008489073
FSC: 5310 — Nuts and Washers
CAGE: 07639 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1031 OR STEEL COMP 1035 OVERALL
nut_styleROUND
head_styleHEXAGON
head_height0.156 INCHES NOMINAL IN
nut_diameter1.000 INCHES NOMINAL IN
thread_class3A A
nut_thickness0.312 INCHES NOMINAL IN
thread_length0.750 INCHES MINIMUM IN
thread_seriesUNS
fastener_length3.625 INCHES NOMINAL IN
hardness_rating66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
thread_directionRIGHT-HAND
NSN5310-00-185-6400
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A10385 · 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
•
THREAD SERIES: UNS
•
HARDNESS RATING: 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
•
THREAD PITCH DIAMETERS: +0.5657 TO 0.5687 INCHES IN
•
DRIVE POINT WIDTH: 0.125 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.586 INCHES IN
•
NUT DIAMETER: 1.000 INCHES NOMINAL IN
•
DRIVE POINT DEPTH: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
HARDNESS RATING66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
THREAD PITCH DIAMETERS+0.5657 TO 0.5687 INCHES IN
DRIVE POINT WIDTH0.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.586 INCHES IN
NUT DIAMETER1.000 INCHES NOMINAL IN
DRIVE POINT DEPTH0.093 INCHES NOMINAL IN
NUT THICKNESS0.312 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
203-1010P3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C31-10091-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A10385?
A10385 is a OVERCURRENT ASSY. It is classified as a MRO (MRO_GENERAL).
What parts can replace A10385?
There are 2 known substitutes for A10385: 203-1010P3, C31-10091-3. Substitute compatibility should be verified for your specific system.
What is the NSN for A10385?
A10385 is cataloged in the U.S. Government catalog under NSN 5310-00-185-6400. 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.