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Technical Data Sheet
PartsTable / COMPONENT / 55-00047202
55-00047202 ✓ 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: COPPER ALLOY, ring_style: INTERNAL SELF-LOCKING, usage_design: EXTERNAL, inside_diameter: 0.359 INCHES NOMINAL IN, major_thickness: 0.065 INCHES NOMINAL IN, outside_diameter: 0.437 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-523-1777, 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
55-00047202
NSN: 5325-00-523-1777
FSC: 5325
CAGE: 77068 — ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY
ring_styleINTERNAL SELF-LOCKING
usage_designEXTERNAL
inside_diameter0.359 INCHES NOMINAL IN
major_thickness0.065 INCHES NOMINAL IN
outside_diameter0.437 INCHES NOMINAL IN
surface_treatmentNICKEL
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
NSN5325-00-523-1777
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 55-00047202 · 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: 0.065 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL
•
MATERIAL: COPPER ALLOY
•
INSIDE DIAMETER: 0.359 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
USAGE DESIGN: EXTERNAL
•
RING STYLE: INTERNAL SELF-LOCKING
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.065 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
MATERIALCOPPER ALLOY
INSIDE DIAMETER0.359 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
RING STYLEINTERNAL SELF-LOCKING
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
65-0004-7202-00001Interchangeable
interchangeable cross-reference
interchangeable
757Interchangeable
interchangeable cross-reference
interchangeable
47202Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-00047202?
55-00047202 is a RING,RETAINING.
What parts can replace 55-00047202?
There are 3 known substitutes for 55-00047202: 65-0004-7202-00001, 757, 47202. Substitute compatibility should be verified for your specific system.
Is 55-00047202 still available?
55-00047202 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026