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BFHD-A-05251A — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BFHD-A-05251A: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, end_item_identification: COUPLING STORAGE DRUM 4G10310H01, part_name_assigned_by_controlling_agency: BOLT FLAT HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-568-6900, 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
BFHD-A-05251A
NSN: 5306-01-568-6900
FSC: 5306 — Bolts
CAGE: 9F426 — COUPLING CORPORATION OF AMERICA DBA COUPLING CORP OF AMERICA (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
end_item_identificationCOUPLING STORAGE DRUM 4G10310H01
part_name_assigned_by_controlling_agencyBOLT FLAT HEAD
NSN5306-01-568-6900
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BFHD-A-05251A · 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
•
MATERIAL: NICKEL ALLOY 400 OVERALL
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT FLAT HEAD
END ITEM IDENTIFICATIONCOUPLING STORAGE DRUM 4G10310H01
MATERIALNICKEL ALLOY 400 OVERALL
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 1
TT500-A-04204 ITEM 13Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 BFHD-A-05251A?
BFHD-A-05251A is a BOLT,MACHINE.
What parts can replace BFHD-A-05251A?
There is 1 known substitute for BFHD-A-05251A: TT500-A-04204 ITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for BFHD-A-05251A?
BFHD-A-05251A is cataloged in the U.S. Government catalog under NSN 5306-01-568-6900. 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.