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74A880675-2001 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74A880675-2001: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, head_style: DISHED HEXAGON, head_height: 0.110 INCHES NOMINAL IN, thread_length: 0.425 INCHES NOMINAL IN, fastener_length: 4.050 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-130-2517, 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
74A880675-2001
NSN: 5306-01-130-2517
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
head_styleDISHED HEXAGON
head_height0.110 INCHES NOMINAL IN
thread_length0.425 INCHES NOMINAL IN
fastener_length4.050 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
third_diameter_from_head0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
thread_quantity_per_inch28
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
fourth_diameter_from_head0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NSN5306-01-130-2517
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74A880675-2001 · 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
•
FOURTH DIAMETER FROM HEAD: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.110 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.050 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF TENTH DIAMETER: 3.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.425 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 2.438 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER: 3.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FOURTH DIAMETER FROM HEAD0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
HEAD HEIGHT0.110 INCHES NOMINAL IN
FASTENER LENGTH4.050 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF TENTH DIAMETER3.625 INCHES NOMINAL IN
THREAD LENGTH0.425 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.438 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER3.063 INCHES NOMINAL IN
HEAD STYLEDISHED HEXAGON
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 1
10115804Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A880675-2001?
74A880675-2001 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 74A880675-2001?
There is 1 known substitute for 74A880675-2001: 10115804. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A880675-2001?
74A880675-2001 is cataloged in the U.S. Government catalog under NSN 5306-01-130-2517. 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.