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SLB216-3-5 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SLB216-3-5: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 FASTENER, head_style: FLAT COUNTERSUNK, grip_length: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-356-7209, 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
SLB216-3-5
NSN: 5305-01-356-7209
FSC: 5305 — Screws
CAGE: 16258 — SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK (USA)
SPECIFICATIONS
materialIRON ALLOY 660 FASTENER
head_styleFLAT COUNTERSUNK
grip_length0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
thread_length0.345 INCHES NOMINAL IN
fastener_length0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE FASTENER
internal_drive_styleOFFSET CRUCIFORM (TORQUE SET)
NSN5305-01-356-7209
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SLB216-3-5 · 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: 0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
•
THREAD LENGTH: 0.345 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS5731 ASSN STD 2ND MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
THREAD LENGTH0.345 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS5731 ASSN STD 2ND MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE FASTENER
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 7
HR239-3-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
03A173-3-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
SC3103-3-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
123742-3-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC1651-3-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E008-3-5Same 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 SLB216-3-5?
SLB216-3-5 is a SCREW,CLOSE TOLERANCE.
What parts can replace SLB216-3-5?
There are 7 known substitutes for SLB216-3-5: HR239-3-5, 03A173-3-5, SC3103-3-5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SLB216-3-5?
SLB216-3-5 is cataloged in the U.S. Government catalog under NSN 5305-01-356-7209. 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.