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Technical Data Sheet
PartsTable / COMPONENT / 5740576
5740576 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW ASSY. VENT is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-188-0493, 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
5740576
NSN: 5305-01-188-0493
FSC: 5305
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
Part Number5740576
NSN5305-01-188-0493
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5740576 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
99121664Interchangeable
interchangeable cross-reference
interchangeable
21664Interchangeable
interchangeable cross-reference
interchangeable
90619Interchangeable
interchangeable cross-reference
interchangeable
A333W179Interchangeable
interchangeable cross-reference
interchangeable
8A4-18Interchangeable
interchangeable cross-reference
interchangeable
1400-48Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5740576?
5740576 is a SCREW ASSY. VENT.
What parts can replace 5740576?
There are 10 known substitutes for 5740576: 99121664, 21664, 90619 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5740576?
5740576 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-188-0493. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026