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PBF4356CR4-1850 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF4356CR4-1850: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.270 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-052-7624, 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
PBF4356CR4-1850
NSN: 5306-01-052-7624
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.125 INCHES NOMINAL IN
thread_class3A A
thread_length0.270 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.173 INCHES NOMINAL IN
shoulder_length1.830 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.249 INCHES NOMINAL FIRST SHOULDER IN
surface_treatmentCADMIUM HEAD
width_between_flats0.372 INCHES NOMINAL IN
NSN5306-01-052-7624
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF4356CR4-1850 · 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: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.173 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.830 INCHES NOMINAL FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE THREADS
•
SHOULDER DIAMETER: 0.249 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.270 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH2.173 INCHES NOMINAL IN
SHOULDER LENGTH1.830 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320 CL 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE HEAD
SHOULDER DIAMETER0.249 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.270 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES NOMINAL FIRST HOLE 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 6
BM4356CR4-1580Reference document
Same NSN cross-reference
Reference document — Secondary reference
VCB0008C4-1850Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5306PL1496892Reference document
Same NSN cross-reference
Reference document — Informative reference only
71657CR-4-1850Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS298CC4-1850Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SII 1058CR4-1850Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PBF4356CR4-1850?
PBF4356CR4-1850 is a BOLT,SHOULDER.
What parts can replace PBF4356CR4-1850?
There are 6 known substitutes for PBF4356CR4-1850: BM4356CR4-1580, VCB0008C4-1850, 5306PL1496892 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF4356CR4-1850?
PBF4356CR4-1850 is cataloged in the U.S. Government catalog under NSN 5306-01-052-7624. This indicates validated use in U.S. government and defense supply chains.
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