PartsTable
Technical Data Sheet

H43778/02-A05 — H43778/02-A05

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H43778/02-A05: H43778/02-A05.

The H43778/02-A05 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5306-01-144-8726, 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
H43778/02-A05
NSN: 5306-01-144-8726
FSC: 5306 — Bolts
CAGE: 0EYA6 — DEFENSE MARITIME SOLUTIONS, INC. (USA)
SPECIFICATIONS
Part NumberH43778/02-A05
NSN5306-01-144-8726
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H43778/02-A05 · 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
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 2
H-43778-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
US-43747-2 ITEM 13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H43778/02-A05?
H43778/02-A05 is a H43778/02-A05.
What parts can replace H43778/02-A05?
There are 2 known substitutes for H43778/02-A05: H-43778-2, US-43747-2 ITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for H43778/02-A05?
H43778/02-A05 is cataloged in the U.S. Government catalog under NSN 5306-01-144-8726. 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.