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A51B24628-11 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A51B24628-11: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.335 INCHES NOMINAL IN, thread_length: 0.610 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-003-6543, 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
A51B24628-11
NSN: 5306-00-003-6543
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.125 INCHES NOMINAL IN
thread_class3A A
head_diameter1.335 INCHES NOMINAL IN
thread_length0.610 INCHES MINIMUM IN
fastener_length2.494 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length1.884 INCHES MINIMUM AND 1.889 INCHES MAXIMUM IN
style_designatorCONCENTRIC HOLE UNTHREADED
thread_directionRIGHT-HAND
shoulder_diameter0.8675 INCHES MINIMUM AND 0.8686 INCHES MAXIMUM IN
NSN5306-00-003-6543
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A51B24628-11 · 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: 2.494 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
•
CONCENTRIC HOLE DEPTH: 1.674 INCHES MINIMUM AND 1.689 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.610 INCHES MINIMUM IN
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
•
STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH2.494 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
CONCENTRIC HOLE DEPTH1.674 INCHES MINIMUM AND 1.689 INCHES MAXIMUM IN
THREAD LENGTH0.610 INCHES MINIMUM IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEROUND W/WRENCH FLATS
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51B24628-11?
A51B24628-11 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for A51B24628-11?
A51B24628-11 is cataloged in the U.S. Government catalog under NSN 5306-00-003-6543. This indicates validated use in U.S. government and defense supply chains.
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