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74D291034-2025 — BOLT,ADAPTER,ENGINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74D291034-2025: BOLT,ADAPTER,ENGINE.

The BOLT,ADAPTER,ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: GROUND SUPPORT EQUIPMENT F-18 AIRCRAFT, general_characteristics_item_description: STEEL PER MIL-S-6758 COND D; 2.295 IN. O/A LG; 1/4-28 UNF-3A LH THD SHANK; 0.375 IN.

W ACROSS FLATS HEX HEAD A. This part is cataloged in the U.S. Government catalog under NSN 5306-01-180-0545, 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
74D291034-2025
NSN: 5306-01-180-0545
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
end_item_identificationGROUND SUPPORT EQUIPMENT F-18 AIRCRAFT
general_characteristics_item_descriptionSTEEL PER MIL-S-6758 COND D; 2.295 IN. O/A LG; 1/4-28 UNF-3A LH THD SHANK; 0.375 IN. W ACROSS FLATS HEX HEAD A
NSN5306-01-180-0545
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74D291034-2025 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL PER MIL-S-6758 COND D; 2.295 IN. O/A LG; 1/4-28 UNF-3A LH THD SHANK; 0.375 IN. W ACROSS FLATS HEX HEAD A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL PER MIL-S-6758 COND D; 2.295 IN. O/A LG; 1/4-28 UNF-3A LH THD SHANK; 0.375 IN. W ACROSS FLATS HEX HEAD A
END ITEM IDENTIFICATIONGROUND SUPPORT EQUIPMENT F-18 AIRCRAFT
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 74D291034-2025?
74D291034-2025 is a BOLT,ADAPTER,ENGINE.
What is the NSN for 74D291034-2025?
74D291034-2025 is cataloged in the U.S. Government catalog under NSN 5306-01-180-0545. 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.