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Technical Data Sheet
PartsTable / COMPONENT / 193178PC3
193178PC3 ✓ 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: WIRE, usage_design: INTERNAL, inside_diameter: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN, outside_diameter: 0.6275 INCHES NOMINAL IN, material_diameter: 0.0403 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-159-8542, 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
193178PC3
NSN: 5325-00-159-8542
FSC: 5325
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
ring_styleWIRE
usage_designINTERNAL
inside_diameter0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
outside_diameter0.6275 INCHES NOMINAL IN
material_diameter0.0403 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
material_document_and_classificationQQ-W-470, COMPOSITION A FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-159-8542
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 193178PC3 · 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
•
OUTSIDE DIAMETER: 0.6275 INCHES NOMINAL IN
•
USAGE DESIGN: INTERNAL
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470, COMPOSITION A FED SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
•
MATERIAL DIAMETER: 0.0403 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.6275 INCHES NOMINAL IN
USAGE DESIGNINTERNAL
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470, COMPOSITION A FED SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
MATERIAL DIAMETER0.0403 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEWIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
26429Interchangeable
interchangeable cross-reference
interchangeable
M12Interchangeable
interchangeable cross-reference
interchangeable
H15250Interchangeable
interchangeable cross-reference
interchangeable
52813Interchangeable
interchangeable cross-reference
interchangeable
292265P4Interchangeable
interchangeable cross-reference
interchangeable
5214-20-004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 193178PC3?
193178PC3 is a RING,RETAINING.
What parts can replace 193178PC3?
There are 6 known substitutes for 193178PC3: 26429, M12, H15250 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 193178PC3?
193178PC3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-159-8542. 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