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AIC939-3-6 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AIC939-3-6: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: OVAL COUNTERSUNK, grip_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.300 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-303-6352, 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
AIC939-3-6
NSN: 5305-01-303-6352
FSC: 5305 — Screws
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleOVAL COUNTERSUNK
grip_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.300 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN
thread_length0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
fastener_length0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
internal_drive_styleOFFSET CRUCIFORM (TORQUE SET)
NSN5305-01-303-6352
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AIC939-3-6 · 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
•
FASTENER LENGTH: 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 8
124894-3-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SC1823-3-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GS1018-3-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VT1731-3-6PReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AIC939-3-6PReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
HR248-3-6PXSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AIC939-3-6?
AIC939-3-6 is a SCREW,CLOSE TOLERANCE.
What parts can replace AIC939-3-6?
There are 8 known substitutes for AIC939-3-6: 124894-3-6, SC1823-3-6, GS1018-3-6 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AIC939-3-6?
AIC939-3-6 is cataloged in the U.S. Government catalog under NSN 5305-01-303-6352. 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.