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MP8304645-0 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MP8304645-0: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: HEXAGON, head_height: 0.255 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.370 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-408-0472, 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
MP8304645-0
NSN: 5306-01-408-0472
FSC: 5306 — Bolts
CAGE: 0393A — OPGAL-OPTRONIC INDUSTRIES LTD. (ISR)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleHEXAGON
head_height0.255 INCHES NOMINAL IN
thread_class2A A
thread_length0.370 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
fastener_length1.005 INCHES NOMINAL IN
style_designatorCONCENTRIC HOLE THREADED
thread_directionRIGHT-HAND
width_between_flats0.187 INCHES NOMINAL IN
concentric_hole_depth0.200 INCHES NOMINAL IN
nominal_thread_diameter0.112 INCHES IN
NSN5306-01-408-0472
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MP8304645-0 · 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: 0.255 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.005 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
•
CONCENTRIC HOLE DEPTH: 0.200 INCHES NOMINAL IN
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCENTRIC HOLE THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.255 INCHES NOMINAL IN
FASTENER LENGTH1.005 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
CONCENTRIC HOLE DEPTH0.200 INCHES NOMINAL IN
THREAD LENGTH0.370 INCHES NOMINAL IN
STYLE DESIGNATORCONCENTRIC HOLE THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 MP8304645-0?
MP8304645-0 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for MP8304645-0?
MP8304645-0 is cataloged in the U.S. Government catalog under NSN 5306-01-408-0472. 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.