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Technical Data Sheet
PartsTable / COMPONENT / 258516
258516 ✓ 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 GEARSHAFT,HELICAL is a the manufacturer industrial component. Key specifications include end_item_identification: GEAR ASSY SP DECR AUX EQPT 98.140 TO 1 RTO. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-780-1814, 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
258516
NSN: 5325-00-780-1814
FSC: 5325
CAGE: 61423 — KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE (USA)
SPECIFICATIONS
end_item_identificationGEAR ASSY SP DECR AUX EQPT 98.140 TO 1 RTO
NSN5325-00-780-1814
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 258516 · 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
•
FLANGE OUTSIDE DIAMETER: 0.080 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-S-571 COMP SN60 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE STYLE: FLANGE
•
BARREL OUTSIDE DIAMETER: 0.047 INCHES NOMINAL IN
•
SURFACE TREATMENT: TIN AND LEAD OVERALL
•
BARREL OVERALL HEIGHT: 0.110 INCHES NOMINAL IN
•
BARREL STYLE: FUNNEL FLANGE STRAIGHT TYPE
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.080 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-S-571 COMP SN60 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE STYLEFLANGE
BARREL OUTSIDE DIAMETER0.047 INCHES NOMINAL IN
SURFACE TREATMENTTIN AND LEAD OVERALL
BARREL OVERALL HEIGHT0.110 INCHES NOMINAL IN
BARREL STYLEFUNNEL FLANGE STRAIGHT TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
S6025Interchangeable
interchangeable cross-reference
interchangeable
10-2456Interchangeable
interchangeable cross-reference
interchangeable
143-110 REF 1A3-3Interchangeable
interchangeable cross-reference
interchangeable
258516Interchangeable
interchangeable cross-reference
interchangeable
860256-0008Interchangeable
Same NIIN cross-reference
interchangeable
860256-8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 258516?
258516 is a GEARSHAFT,HELICAL.
What parts can replace 258516?
There are 6 known substitutes for 258516: S6025, 10-2456, 143-110 REF 1A3-3 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 258516?
258516 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-780-1814. 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