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PBF1418-3-6 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1418-3-6: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT 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: 0.3047 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-385-9845, 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
PBF1418-3-6
NSN: 5306-01-385-9845
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleFLAT 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_diameter0.3047 INCHES NOMINAL IN
thread_length0.363 INCHES NOMINAL IN
fastener_length0.693 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.190 INCHES IN
NSN5306-01-385-9845
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1418-3-6 · 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: 0.693 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.363 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.693 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.363 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT 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
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 8
SC5057-3-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
03A160-3-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
123740-3-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
VCL0007-3-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
SLB218-3-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
DF33006-3-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 PBF1418-3-6?
PBF1418-3-6 is a BOLT,CLOSE TOLERANCE.
What parts can replace PBF1418-3-6?
There are 8 known substitutes for PBF1418-3-6: SC5057-3-6, 03A160-3-6, 123740-3-6 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1418-3-6?
PBF1418-3-6 is cataloged in the U.S. Government catalog under NSN 5306-01-385-9845. 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.