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8720025 — BOLT,RIBBED NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8720025: BOLT,RIBBED NECK.

The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, rib_length: 0.128 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.625 INCHES NOMINAL IN, thread_length: 0.875 INCHES MINIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5306-00-335-4768, 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
8720025
NSN: 5306-00-335-4768
FSC: 5306 — Bolts
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1030 OR STEEL COMP 1031 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OVERALL
head_stylePAN NO. 2
rib_length0.128 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
head_height0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.875 INCHES MINIMUM IN
fastener_length1.281 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentCADMIUM AND CHROMATE OVERALL
rib_major_diameter0.487 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN
NSN5306-00-335-4768
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8720025 · 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: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.281 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
RIB LENGTH: 0.128 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: PAN NO. 2
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH1.281 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.875 INCHES MINIMUM IN
RIB LENGTH0.128 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
RIB MAJOR DIAMETER0.487 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN
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 2
5306003354768Reference document
Same NSN cross-reference
Reference document — Secondary reference
70627EReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8720025?
8720025 is a BOLT,RIBBED NECK.
What parts can replace 8720025?
There are 2 known substitutes for 8720025: 5306003354768, 70627E. Substitute compatibility should be verified for your specific system.
What is the NSN for 8720025?
8720025 is cataloged in the U.S. Government catalog under NSN 5306-00-335-4768. This indicates validated use in U.S. government and defense supply chains.
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