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Technical Data Sheet
PartsTable / COMPONENT / H-5539
H-5539 ✓ 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 RING,RETAINING 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 5325-01-272-9912, 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
H-5539
NSN: 5325-01-272-9912
FSC: 5325
CAGE: 18740 — YALE INDUSTRIAL PRODUCTS, INC. DIV DUFF NORTON COMPANY (USA)
SPECIFICATIONS
Part NumberH-5539
NSN5325-01-272-9912
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H-5539 · 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 5
5100156Interchangeable
interchangeable cross-reference
interchangeable
5100-156-S-MDInterchangeable
interchangeable cross-reference
interchangeable
3100-156Interchangeable
interchangeable cross-reference
interchangeable
5365008037304Interchangeable
interchangeable cross-reference
interchangeable
W2-009 REV O ITEM 44Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-5539?
H-5539 is a RING,RETAINING.
What parts can replace H-5539?
There are 5 known substitutes for H-5539: 5100156, 5100-156-S-MD, 3100-156 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H-5539?
H-5539 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-272-9912. 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