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Technical Data Sheet
PartsTable / COMPONENT / 4G53768-101A
4G53768-101A ✓ 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: EXTERNAL, inside_diameter: 2.341 INCHES MINIMUM AND 2.366 INCHES MAXIMUM IN, major_thickness: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN, outside_diameter: 2.591 INCHES MINIMUM AND 2.632 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 5325-00-136-6130, 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
4G53768-101A
NSN: 5325-00-136-6130
FSC: 5325
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter2.341 INCHES MINIMUM AND 2.366 INCHES MAXIMUM IN
major_thickness0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
outside_diameter2.591 INCHES MINIMUM AND 2.632 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-136-6130
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4G53768-101A · 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
•
SURFACE TREATMENT: CADMIUM
•
USAGE DESIGN: EXTERNAL
•
INSIDE DIAMETER: 2.341 INCHES MINIMUM AND 2.366 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.591 INCHES MINIMUM AND 2.632 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
SURFACE TREATMENTCADMIUM
USAGE DESIGNEXTERNAL
INSIDE DIAMETER2.341 INCHES MINIMUM AND 2.366 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.591 INCHES MINIMUM AND 2.632 INCHES MAXIMUM IN
RING STYLESPIRAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5100-250Interchangeable
interchangeable cross-reference
interchangeable
AE2759PC188Interchangeable
interchangeable cross-reference
interchangeable
CV39S1601-365782PC188Interchangeable
interchangeable cross-reference
interchangeable
9197456Interchangeable
interchangeable cross-reference
interchangeable
WST250Interchangeable
interchangeable cross-reference
interchangeable
RST250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4G53768-101A?
4G53768-101A is a RING,RETAINING.
What parts can replace 4G53768-101A?
There are 7 known substitutes for 4G53768-101A: 5100-250, AE2759PC188, CV39S1601-365782PC188 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4G53768-101A?
4G53768-101A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-136-6130. 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