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Technical Data Sheet
PartsTable / COMPONENT / 7748766
7748766 ✓ 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: SPIRAL, usage_design: INTERNAL, inside_diameter: 0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN, major_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, outside_diameter: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM 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 5325-01-095-1101, 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
7748766
NSN: 5325-01-095-1101
FSC: 5325
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
usage_designINTERNAL
inside_diameter0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
outside_diameter0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-095-1101
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7748766 · 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: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
•
RING STYLE: SPIRAL
•
MATERIAL: STEEL
•
USAGE DESIGN: INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
INSIDE DIAMETER: 0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
RING STYLESPIRAL
MATERIALSTEEL
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
INSIDE DIAMETER0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
RS50BInterchangeable
interchangeable cross-reference
interchangeable
RS50Interchangeable
interchangeable cross-reference
interchangeable
RS50EInterchangeable
interchangeable cross-reference
interchangeable
551-AMBInterchangeable
interchangeable cross-reference
interchangeable
2001-SP443Interchangeable
interchangeable cross-reference
interchangeable
Y-1176-2-50SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7748766?
7748766 is a RING,RETAINING.
What parts can replace 7748766?
There are 9 known substitutes for 7748766: RS50B, RS50, RS50E and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7748766?
7748766 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-095-1101. 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