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7521883 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7521883: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8642 OVERALL, head_style: HEXAGON, head_height: 0.411 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN, fastener_length: 5.428 INCHES MINIMUM AND 5.448 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-752-1883, 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
7521883
NSN: 5306-00-752-1883
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8642 OVERALL
head_styleHEXAGON
head_height0.411 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
thread_class3A A
thread_length1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
fastener_length5.428 INCHES MINIMUM AND 5.448 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
nominal_thread_diameter0.562 INCHES IN
thread_quantity_per_inch12
NSN5306-00-752-1883
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7521883 · 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: 0.411 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.428 INCHES MINIMUM AND 5.448 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.411 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
FASTENER LENGTH5.428 INCHES MINIMUM AND 5.448 INCHES MAXIMUM IN
THREAD LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.562 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.802 INCHES MINIMUM AND 0.822 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
913797X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
382A5Reference 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 7521883?
7521883 is a BOLT,MACHINE.
What parts can replace 7521883?
There are 2 known substitutes for 7521883: 913797X1, 382A5. Substitute compatibility should be verified for your specific system.
What is the NSN for 7521883?
7521883 is cataloged in the U.S. Government catalog under NSN 5306-00-752-1883. This indicates validated use in U.S. government and defense supply chains.
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