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GS1018-3-2 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GS1018-3-2: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FILLISTER COUNTERSUNK, grip_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, head_height: 0.013 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-308-8202, 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
GS1018-3-2
NSN: 5305-01-308-8202
FSC: 5305 — Screws
CAGE: 1EM77 — B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleFILLISTER COUNTERSUNK
grip_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
head_height0.013 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.2996 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN
thread_length0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
fastener_length0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
NSN5305-01-308-8202
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GS1018-3-2 · 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: 0.013 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FILLISTER COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.013 INCHES MAXIMUM IN
FASTENER LENGTH0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFILLISTER COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.115 INCHES MINIMUM AND 0.135 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
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 5
SC1823-3-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VT1731-3-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
124894-3-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HR248-3-2PXSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC939-3-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS1018-3-2?
GS1018-3-2 is a SCREW,CLOSE TOLERANCE.
What parts can replace GS1018-3-2?
There are 5 known substitutes for GS1018-3-2: SC1823-3-2, VT1731-3-2, 124894-3-2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GS1018-3-2?
GS1018-3-2 is cataloged in the U.S. Government catalog under NSN 5305-01-308-8202. 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.