PartsTable
Technical Data Sheet
H3251637 PIECE 39 ✓ 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,MACHINE 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 5305-01-306-1597, 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
H3251637 PIECE 39
NSN: 5305-01-306-1597
FSC: 5305
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part NumberH3251637 PIECE 39
NSN5305-01-306-1597
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H3251637 PIECE 39 · 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 9
18749Interchangeable
interchangeable cross-reference
interchangeable
A-A-1079 CL1SZEInterchangeable
interchangeable cross-reference
interchangeable
RR-B-1242Interchangeable
interchangeable cross-reference
interchangeable
69050Interchangeable
interchangeable cross-reference
interchangeable
F99415Interchangeable
interchangeable cross-reference
interchangeable
K7055Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H3251637 PIECE 39?
H3251637 PIECE 39 is a SCREW,MACHINE.
What parts can replace H3251637 PIECE 39?
There are 9 known substitutes for H3251637 PIECE 39: 18749, A-A-1079 CL1SZE, RR-B-1242 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H3251637 PIECE 39?
H3251637 PIECE 39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-306-1597. This indicates validated use in U.S. government and defense supply chains.
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