PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 190186
190186 ✓ 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. Key specifications include material: STEEL, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.062 INCHES NOMINAL IN, outside_diameter: 0.547 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-019-4854, 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
190186
NSN: 5325-00-019-4854
FSC: 5325
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.062 INCHES NOMINAL IN
outside_diameter0.547 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-019-4854
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 190186 · 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
•
USAGE DESIGN: INTERNAL
•
MATERIAL: STEEL
•
RING STYLE: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 0.547 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNINTERNAL
MATERIALSTEEL
RING STYLEINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER0.547 INCHES NOMINAL IN
MAJOR THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
R271NAB0050NN056NNPF1Interchangeable
interchangeable cross-reference
interchangeable
SF11077 ITEM 110Interchangeable
interchangeable cross-reference
interchangeable
399686Interchangeable
interchangeable cross-reference
interchangeable
A8241-063-82340-207Interchangeable
Same NIIN cross-reference
interchangeable
DLT607781Interchangeable
Same NIIN cross-reference
interchangeable
8561-295-37013-11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 190186?
190186 is a RING,RETAINING.
What parts can replace 190186?
There are 8 known substitutes for 190186: R271NAB0050NN056NNPF1, SF11077 ITEM 110, 399686 and 5 more. Substitute compatibility should be verified for your specific system.
Is 190186 still available?
190186 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026