PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 12366628
12366628 ✓ 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 COMP 1060, end_style: D SHAP BELOW INSIDE PERIPHERY, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 4.125 INCHES NOMINAL IN, major_thickness: 0.093 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 5325-00-426-7521, 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
12366628
NSN: 5325-00-426-7521
FSC: 5325
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1060
end_styleD SHAP BELOW INSIDE PERIPHERY
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter4.125 INCHES NOMINAL IN
major_thickness0.093 INCHES NOMINAL IN
outside_diameter4.496 INCHES MINIMUM AND 4.566 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A576 COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-426-7521
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12366628 · 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 COMP 1060
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.093 INCHES NOMINAL IN
•
INSIDE DIAMETER: 4.125 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
•
USAGE DESIGN: INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1060
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.093 INCHES NOMINAL IN
INSIDE DIAMETER4.125 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
USAGE DESIGNINTERNAL
OUTSIDE DIAMETER4.496 INCHES MINIMUM AND 4.566 INCHES MAXIMUM IN
END STYLED SHAP BELOW INSIDE PERIPHERY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
163-43Interchangeable
interchangeable cross-reference
interchangeable
35573Interchangeable
interchangeable cross-reference
interchangeable
121-54-22-071Interchangeable
interchangeable cross-reference
interchangeable
44P22990Interchangeable
interchangeable cross-reference
interchangeable
C180-7Interchangeable
interchangeable cross-reference
interchangeable
0710744-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 12366628?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12366628?
12366628 is a RING,RETAINING.
What parts can replace 12366628?
There are 13 known substitutes for 12366628: 163-43, 35573, 121-54-22-071 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12366628?
12366628 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-426-7521. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12366628

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026