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PBF1366-5-14 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1366-5-14: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON, head_height: 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-536-7002, 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
PBF1366-5-14
NSN: 5306-00-536-7002
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON
head_height0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
thread_class3A A
thread_length0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.326 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
shoulder_length0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.561 INCHES MINIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-536-7002
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1366-5-14 · 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: 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.326 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
FASTENER LENGTH1.326 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
SHOULDER LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEDOUBLE HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.561 INCHES MINIMUM IN
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
109451-5-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MA5507-5-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST3M507-5-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S11-1062-5-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VAL23608-5-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS3038-5-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PBF1366-5-14?
PBF1366-5-14 is a BOLT,SHOULDER.
What parts can replace PBF1366-5-14?
There are 8 known substitutes for PBF1366-5-14: 109451-5-14, MA5507-5-14, ST3M507-5-14 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1366-5-14?
PBF1366-5-14 is cataloged in the U.S. Government catalog under NSN 5306-00-536-7002. 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.