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Technical Data Sheet
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124B451H02 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

124B451H02: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include hole_type: DRILLED, head_style: HEXAGON, head_height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, thread_length: 0.672 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-321-8040, 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
124B451H02
NSN: 5306-01-321-8040
FSC: 5306 — Bolts
CAGE: 48306 — NORTHROP GRUMMAN SUPPORT SERVICES CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
hole_quantity6
thread_length0.672 INCHES NOMINAL IN
fastener_length2.156 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5306-01-321-8040
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 124B451H02 · 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: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.156 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.672 INCHES NOMINAL IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.063 INCHES MINIMUM AND 0.066 INCHES MAXIMUM FIRST HOLE IN
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FASTENER LENGTH2.156 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.672 INCHES NOMINAL IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.063 INCHES MINIMUM AND 0.066 INCHES MAXIMUM FIRST HOLE IN
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
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

No substitute or cross-reference records for this part.

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 124B451H02?
124B451H02 is a BOLT,MACHINE.
What is the NSN for 124B451H02?
124B451H02 is cataloged in the U.S. Government catalog under NSN 5306-01-321-8040. This indicates validated use in U.S. government and defense supply chains.
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