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Technical Data Sheet
PartsTable / COMPONENT / 11578373
11578373 ✓ 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 ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN, major_thickness: 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN, outside_diameter: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM 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 5325-01-042-9359, 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
11578373
NSN: 5325-01-042-9359
FSC: 5325
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
ring_styleSPECIAL
usage_designEXTERNAL
inside_diameter0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
major_thickness0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN
outside_diameter0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-042-9359
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11578373 · 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
•
MAJOR THICKNESS: 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
•
RING STYLE: SPECIAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
USAGE DESIGN: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
RING STYLESPECIAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
USAGE DESIGNEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
9606Interchangeable
interchangeable cross-reference
interchangeable
2097628Interchangeable
interchangeable cross-reference
interchangeable
AL138CInterchangeable
interchangeable cross-reference
interchangeable
XX002-5882Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11578373?
11578373 is a RING,RETAINING.
What parts can replace 11578373?
There are 4 known substitutes for 11578373: 9606, 2097628, AL138C and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11578373?
11578373 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-042-9359. 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