PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 503/4/04158/009
503/4/04158/009 ✓ 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 503/4/04158/009 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 5325-00-960-8284, 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
503/4/04158/009
NSN: 5325-00-960-8284
FSC: 5325
CAGE: K2523 — EATON LIMITED (GBR)
SPECIFICATIONS
Part Number503/4/04158/009
NSN5325-00-960-8284
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 503/4/04158/009 · 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 STYLE: FLANGE
•
SURFACE TREATMENT: CADMIUM OVERALL
•
BARREL OUTSIDE DIAMETER: 0.089 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.150 INCHES NOMINAL IN
•
BARREL HEIGHT: 0.187 INCHES NOMINAL IN
•
BARREL STYLE: STRAIGHT ROUND TYPE
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE STYLEFLANGE
SURFACE TREATMENTCADMIUM OVERALL
SPECIAL FEATURESMATERIAL IS BRASS (COPPER ALLOY IS THE SAME THING), BUT THE FIELD IS HAVING PROBLEMS WITH MATERIAL DEFINITION.
BARREL OUTSIDE DIAMETER0.089 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.150 INCHES NOMINAL IN
BARREL HEIGHT0.187 INCHES NOMINAL IN
BARREL STYLESTRAIGHT ROUND TYPE
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
5262530Interchangeable
interchangeable cross-reference
interchangeable
2509Interchangeable
interchangeable cross-reference
interchangeable
33.086Interchangeable
interchangeable cross-reference
interchangeable
7101-109Interchangeable
interchangeable cross-reference
interchangeable
SE-36BRASSInterchangeable
interchangeable cross-reference
interchangeable
85871300-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503/4/04158/009?
503/4/04158/009 is a 503/4/04158/009.
What parts can replace 503/4/04158/009?
There are 25 known substitutes for 503/4/04158/009: 5262530, 2509, 33.086 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503/4/04158/009?
503/4/04158/009 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-960-8284. 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