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74A410725-2003 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74A410725-2003: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: DEE, head_height: 0.310 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.875 INCHES NOMINAL IN, thread_length: 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-269-4605, 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
74A410725-2003
NSN: 5306-01-269-4605
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
head_styleDEE
head_height0.310 INCHES NOMINAL IN
thread_class3A A
head_diameter0.875 INCHES NOMINAL IN
thread_length0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
fastener_length1.810 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN
shoulder_length1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
special_featuresTWO GROOVES 0.875 IN. DIAMETER WITH RADIUS OF 0.005 IN. MIN AND 0.010 IN. MAX. LOCATED 0.425 IN. MIN. AND 0.430 IN. MAX. APART ON EITHER SIDE OF THREAD AREA IN
thread_directionRIGHT-HAND
shoulder_diameter0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
nominal_thread_diameter0.562 INCHES IN
NSN5306-01-269-4605
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74A410725-2003 · 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: 0.310 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.810 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
HEAD STYLE: DEE
•
THREAD DIRECTION: RIGHT-HAND
•
SHOULDER DIAMETER: 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.310 INCHES NOMINAL IN
FASTENER LENGTH1.810 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD LENGTH0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.562 INCHES IN
HEAD STYLEDEE
THREAD DIRECTIONRIGHT-HAND
SHOULDER DIAMETER0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
CONCENTRIC HOLE DIAMETER0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
SPECIAL FEATURESTWO GROOVES 0.875 IN. DIAMETER WITH RADIUS OF 0.005 IN. MIN AND 0.010 IN. MAX. LOCATED 0.425 IN. MIN. AND 0.430 IN. MAX. APART ON EITHER SIDE OF THREAD AREA IN
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
10116188Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A410725-2003?
74A410725-2003 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace 74A410725-2003?
There is 1 known substitute for 74A410725-2003: 10116188. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A410725-2003?
74A410725-2003 is cataloged in the U.S. Government catalog under NSN 5306-01-269-4605. 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.