PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 7966658
7966658 ✓ 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: 1.859 INCHES NOMINAL IN, major_thickness: 0.044 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 5325-00-698-4346, 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
7966658
NSN: 5325-00-698-4346
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_diameter1.859 INCHES NOMINAL IN
major_thickness0.044 INCHES NOMINAL IN
outside_diameter2.171 INCHES NOMINAL IN
casehardening_indicatorCASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE 1060 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-698-4346
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7966658 · 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
•
CASEHARDENING INDICATOR: CASEHARDENED
•
OUTSIDE DIAMETER: 2.171 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1060
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1060 ASSN STD SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 1.859 INCHES NOMINAL IN
•
RING STYLE: STRAIGHT GAP
•
USAGE DESIGN: INTERNAL
•
END STYLE: D SHAP BELOW INSIDE PERIPHERY
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORCASEHARDENED
OUTSIDE DIAMETER2.171 INCHES NOMINAL IN
MATERIALSTEEL COMP 1060
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1060 ASSN STD SINGLE MATERIAL RESPONSE
INSIDE DIAMETER1.859 INCHES NOMINAL IN
RING STYLESTRAIGHT GAP
USAGE DESIGNINTERNAL
END STYLED SHAP BELOW INSIDE PERIPHERY
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
10802Interchangeable
interchangeable cross-reference
interchangeable
98587-C PIECE 2Interchangeable
interchangeable cross-reference
interchangeable
NAS1635-3-12Interchangeable
interchangeable cross-reference
interchangeable
951199Interchangeable
interchangeable cross-reference
interchangeable
MILG8266Interchangeable
interchangeable cross-reference
interchangeable
5298441Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7966658?
7966658 is a RING,RETAINING.
What parts can replace 7966658?
There are 17 known substitutes for 7966658: 10802, 98587-C PIECE 2, NAS1635-3-12 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7966658?
7966658 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-698-4346. 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