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Technical Data Sheet
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4537B72H04 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4537B72H04: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-01-642-8310, 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
4537B72H04
NSN: 5305-01-642-8310
FSC: 5305 — Screws
CAGE: 04808 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV CURTISS-WRIGHT EMD (USA)
SPECIFICATIONS
Part Number4537B72H04
NSN5305-01-642-8310
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4537B72H04 · 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
SUBSTITUTES & CROSS-REFERENCES 2
4D99929Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4D99929ITEM5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4537B72H04?
4537B72H04 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 4537B72H04?
There are 2 known substitutes for 4537B72H04: 4D99929, 4D99929ITEM5. Substitute compatibility should be verified for your specific system.
What is the NSN for 4537B72H04?
4537B72H04 is cataloged in the U.S. Government catalog under NSN 5305-01-642-8310. This indicates validated use in U.S. government and defense supply chains.
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