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PBF1602U12-46 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1602U12-46: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, head_height: 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.955 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-406-6951, 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
PBF1602U12-46
NSN: 5306-01-406-6951
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleHEXAGON
head_height0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
thread_class3A A
thread_length0.955 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length3.955 INCHES MINIMUM AND 3.995 INCHES MAXIMUM IN
shoulder_length2.885 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.869 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
width_between_flats1.240 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
NSN5306-01-406-6951
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1602U12-46 · 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: 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.955 INCHES MINIMUM AND 3.995 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 2.885 INCHES NOMINAL FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.869 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.955 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
FASTENER LENGTH3.955 INCHES MINIMUM AND 3.995 INCHES MAXIMUM IN
SHOULDER LENGTH2.885 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.869 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.955 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEHEXAGON
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 2
VS3589-12-46Reference document
Same NSN cross-reference
Reference document — Secondary reference
3D0124U12-46Same 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 PBF1602U12-46?
PBF1602U12-46 is a BOLT,SHOULDER.
What parts can replace PBF1602U12-46?
There are 2 known substitutes for PBF1602U12-46: VS3589-12-46, 3D0124U12-46. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1602U12-46?
PBF1602U12-46 is cataloged in the U.S. Government catalog under NSN 5306-01-406-6951. 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.