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Technical Data Sheet
PartsTable / COMPONENT / 1091059
1091059 ✓ 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,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.500 INCHES NOMINAL IN, major_thickness: 0.042 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-579-2673, 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
1091059
NSN: 5325-00-579-2673
FSC: 5325
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.500 INCHES NOMINAL IN
major_thickness0.042 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
NSN5325-00-579-2673
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1091059 · 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
•
MATERIAL: STEEL
•
USAGE DESIGN: EXTERNAL
•
RING STYLE: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
MAJOR THICKNESS: 0.042 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
USAGE DESIGNEXTERNAL
RING STYLEEXTERNAL
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
MAJOR THICKNESS0.042 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
KSC707Interchangeable
interchangeable cross-reference
interchangeable
40545Interchangeable
interchangeable cross-reference
interchangeable
1321-0707Interchangeable
interchangeable cross-reference
interchangeable
W500Interchangeable
interchangeable cross-reference
interchangeable
KKK-T-2110Interchangeable
interchangeable cross-reference
interchangeable
WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1091059?
1091059 is a GEARSHAFT,SPUR.
What parts can replace 1091059?
There are 26 known substitutes for 1091059: KSC707, 40545, 1321-0707 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1091059?
1091059 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-579-2673. 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