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Technical Data Sheet
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7521835 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7521835: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.750 INCHES MINIMUM IN, fastener_length: 6.365 INCHES MINIMUM AND 6.385 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-752-1835, 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
7521835
NSN: 5306-00-752-1835
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_class2A A
thread_length1.750 INCHES MINIMUM IN
fastener_length6.365 INCHES MINIMUM AND 6.385 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNF
NSN5306-00-752-1835
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7521835 · 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: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
FASTENER LENGTH: 6.365 INCHES MINIMUM AND 6.385 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.750 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
FASTENER LENGTH6.365 INCHES MINIMUM AND 6.385 INCHES MAXIMUM IN
THREAD LENGTH1.750 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
SUBSTITUTES & CROSS-REFERENCES 4
15X524Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
371B1Reference document
Same NSN cross-reference
Reference document — Secondary reference
913820Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306007521835Reference 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 7521835?
7521835 is a BOLT,MACHINE.
What parts can replace 7521835?
There are 4 known substitutes for 7521835: 15X524, 371B1, 913820 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7521835?
7521835 is cataloged in the U.S. Government catalog under NSN 5306-00-752-1835. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.