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Technical Data Sheet
PartsTable / COMPONENT / 139393
139393 ✓ 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

The FILTER ASSEMBLY,FLUID is a the manufacturer industrial component. Key specifications include special_features: PRE-FILTER SYSTEM & FILTER, end_item_identification: 378' CLASS USCGC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-208-7705, 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
139393
NSN: 5306-00-208-7705
FSC: 5306
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
special_featuresPRE-FILTER SYSTEM & FILTER
end_item_identification378' CLASS USCGC
NSN5306-00-208-7705
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 139393 · 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
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE DIAMETER: 0.070 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.350 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.320 INCHES MINIMUM IN
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HOLE DIAMETER0.070 INCHES NOMINAL IN
HEAD HEIGHT0.350 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.320 INCHES MINIMUM IN
THREAD CLASS2A A
WIDTH BETWEEN FLATS0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
CONCENTRIC HOLE DIAMETER0.328 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
BAC1503-2772Interchangeable
interchangeable cross-reference
interchangeable
DIE22993Interchangeable
interchangeable cross-reference
interchangeable
13939-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 139393?
139393 is a FILTER ASSEMBLY,FLUID.
What parts can replace 139393?
There are 3 known substitutes for 139393: BAC1503-2772, DIE22993, 13939-3. Substitute compatibility should be verified for your specific system.
Is 139393 still available?
139393 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