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MS4663-1 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS4663-1: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.035 INCHES NOMINAL IN, strength_rating: ERR-060, outside_diameter: 0.808 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-263-5895, 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
MS4663-1
NSN: 5325-00-263-5895
FSC: 5325 — Fastening Devices
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.035 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter0.808 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationQQ-S-633, COMPOSITION FS1065 TO FS1090 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-263-5895
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS4663-1 · 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
•
USAGE DESIGN: INTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633, COMPOSITION FS1065 TO FS1090 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 0.808 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.035 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: INTERNAL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633, COMPOSITION FS1065 TO FS1090 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER0.808 INCHES NOMINAL IN
MAJOR THICKNESS0.035 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 8
Q237Reference document
Same NSN cross-reference
Reference document — Secondary reference
1JH267PC15Reference document
Same NSN cross-reference
Reference document — Secondary reference
20663-30Reference document
Same NSN cross-reference
Reference document — Secondary reference
Q217-01PC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAS50-75NReference document
Same NSN cross-reference
Reference document — Secondary reference
G205060PT3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS4663-1?
MS4663-1 is a RING,RETAINING.
What parts can replace MS4663-1?
There are 8 known substitutes for MS4663-1: Q237, 1JH267PC15, 20663-30 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS4663-1?
MS4663-1 is cataloged in the U.S. Government catalog under NSN 5325-00-263-5895. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.