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13939-3 — FILTER ASSEMBLY,FLUID

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

13939-3: FILTER ASSEMBLY,FLUID.

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 U.S.

Government catalog 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
13939-3
NSN: 5306-00-208-7705
NIINs: 002087705, 002512595, 016438242
FSC: 5306 — Bolts
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: 13939-3 · 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
•
HEAD HEIGHT: 0.350 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 0.870 INCHES NOMINAL IN
•
THREAD LENGTH: 0.320 INCHES MINIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.125 INCHES NOMINAL FIRST HOLE IN
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
•
STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.350 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH0.870 INCHES NOMINAL IN
THREAD LENGTH0.320 INCHES MINIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.125 INCHES NOMINAL FIRST HOLE IN
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13939-3?
13939-3 is a FILTER ASSEMBLY,FLUID.
What is the NSN for 13939-3?
13939-3 is cataloged in the U.S. Government catalog under NSN 5306-00-208-7705. 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.