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A3409 ✓ Verified by PartsTable
— · 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include mounting_type: TRAILER, condenser_cooling_type: AIR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-012-0879, 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
A3409
NSN: 5325-00-012-0879
FSC: 5325
CAGE: 46522 — DCM MANUFACTURING, INC. (USA)
SPECIFICATIONS
mounting_typeTRAILER
condenser_cooling_typeAIR
NSN5325-00-012-0879
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A3409 · 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
•
NONMETALLIC HARDNESS RATING: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
GROOVE OUTSIDE DIAMETER: 0.844 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 1.062 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.062 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
NONMETALLIC HARDNESS RATING55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
MATERIALRUBBER SYNTHETIC OVERALL
GROOVE OUTSIDE DIAMETER0.844 INCHES NOMINAL IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER1.062 INCHES NOMINAL IN
GROOVE WIDTH0.062 INCHES NOMINAL IN
HOLE DIAMETER0.500 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
OVERALL HEIGHT0.312 INCHES NOMINAL IN
GROMMET STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
703-1-2Interchangeable
interchangeable cross-reference
interchangeable
A-1524Interchangeable
interchangeable cross-reference
interchangeable
54B6711H6SInterchangeable
interchangeable cross-reference
interchangeable
A3409Interchangeable
interchangeable cross-reference
interchangeable
A8826430-1Interchangeable
interchangeable cross-reference
interchangeable
A8826430-501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3409?
A3409 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace A3409?
There are 11 known substitutes for A3409: 703-1-2, A-1524, 54B6711H6S and 8 more. Substitute compatibility should be verified for your specific system.
Is A3409 still available?
A3409 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026