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4403580 PART 24 — 4403580 PART 24

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4403580 PART 24: 4403580 PART 24.

The 4403580 PART 24 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-01-455-0150, 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
4403580 PART 24
NSN: 5305-01-455-0150
FSC: 5305 — Screws
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
Part Number4403580 PART 24
NSN5305-01-455-0150
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4403580 PART 24 · 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
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.190 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.008 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
FASTENER LENGTH1.190 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
THREAD LENGTH1.008 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA6 TYPE
LOCKING FEATUREPELLET THREADS
SUBSTITUTES & CROSS-REFERENCES 2
111-4403580 PART 24Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-S-86Reference document
Same NSN cross-reference
Reference document — Identification 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 4403580 PART 24?
4403580 PART 24 is a 4403580 PART 24.
What parts can replace 4403580 PART 24?
There are 2 known substitutes for 4403580 PART 24: 111-4403580 PART 24, FF-S-86. Substitute compatibility should be verified for your specific system.
What is the NSN for 4403580 PART 24?
4403580 PART 24 is cataloged in the U.S. Government catalog under NSN 5305-01-455-0150. This indicates validated use in U.S. government and defense supply chains.
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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.