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2A4382 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2A4382: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.281 INCHES MINIMUM IN, fastener_length: 0.719 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-263-8945, 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
2A4382
NSN: 5306-00-263-8945
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.188 INCHES NOMINAL IN
thread_class2A A
thread_length0.281 INCHES MINIMUM IN
fastener_length0.719 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.438 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5306-00-263-8945
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2A4382 · 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: 0.719 INCHES NOMINAL IN
•
THREAD LENGTH: 0.281 INCHES MINIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH0.719 INCHES NOMINAL IN
THREAD LENGTH0.281 INCHES MINIMUM IN
HARDNESS RATING30.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL IN
MINIMUM YIELD STRENGTH145000 POUNDS PER SQUARE INCH LBS
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2A4382?
2A4382 is a BOLT,MACHINE.
What is the NSN for 2A4382?
2A4382 is cataloged in the U.S. Government catalog under NSN 5306-00-263-8945. 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.