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Technical Data Sheet
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8720979 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8720979: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: SQUARE, head_height: 0.328 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN, fastener_length: 14.000 INCHES NOMINAL IN, special_features: 1 IN. SPHERICAL RADIUS ONTOP OF HEAD IN.

This part is cataloged in the U.S. Government catalog under NSN 5306-00-322-7365, 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
8720979
NSN: 5306-00-322-7365
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
head_styleSQUARE
head_height0.328 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length14.000 INCHES NOMINAL IN
special_features1 IN. SPHERICAL RADIUS ONTOP OF HEAD IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.750 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-322-7365
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8720979 · 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: 0.328 INCHES NOMINAL IN
•
FASTENER LENGTH: 14.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-409 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-W-409 MIL SPEC 2ND MATERIAL RESPONSE OR SAE ASSN STD 3RD MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR SAE ASSN STD 5TH MATERIAL RESPONSE OR SAE ASSN STD 6TH MATERIAL RESPONSE OR SAE ASSN STD 7TH MATERIAL RESPONSE OR SAE ASSN STD 8TH MATERIAL RESPONSE OR SAE ASSN STD 9TH MATERIAL RESPONSE OR SAE ASSN STD 10TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: SQUARE
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.328 INCHES NOMINAL IN
FASTENER LENGTH14.000 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-409 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-W-409 MIL SPEC 2ND MATERIAL RESPONSE OR SAE ASSN STD 3RD MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR SAE ASSN STD 5TH MATERIAL RESPONSE OR SAE ASSN STD 6TH MATERIAL RESPONSE OR SAE ASSN STD 7TH MATERIAL RESPONSE OR SAE ASSN STD 8TH MATERIAL RESPONSE OR SAE ASSN STD 9TH MATERIAL RESPONSE OR SAE ASSN STD 10TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
SPECIAL FEATURES1 IN. SPHERICAL RADIUS ONTOP OF HEAD 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 1
T1205AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 8720979?
8720979 is a BOLT,MACHINE.
What parts can replace 8720979?
There is 1 known substitute for 8720979: T1205A. Substitute compatibility should be verified for your specific system.
What is the NSN for 8720979?
8720979 is cataloged in the U.S. Government catalog under NSN 5306-00-322-7365. This indicates validated use in U.S. government and defense supply chains.
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