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MS16630-156 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS16630-156: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 1.426 INCHES MINIMUM AND 1.449 INCHES MAXIMUM IN, major_thickness: 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN, minor_thickness: 0.049 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-060-6495, 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
MS16630-156
NSN: 5325-00-060-6495
FSC: 5325 — Fastening Devices
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter1.426 INCHES MINIMUM AND 1.449 INCHES MAXIMUM IN
major_thickness0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
minor_thickness0.049 INCHES MINIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleBEVELED ONE INSIDE CORNER
material_document_and_classificationFED STD 66,1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-060-6495
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16630-156 · 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 HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MINOR THICKNESS: 0.049 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: BEVELED ONE INSIDE CORNER
•
MAJOR THICKNESS: 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.426 INCHES MINIMUM AND 1.449 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
MINOR THICKNESS0.049 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEBEVELED ONE INSIDE CORNER
MAJOR THICKNESS0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
INSIDE DIAMETER1.426 INCHES MINIMUM AND 1.449 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 3
992752Reference document
Same NSN cross-reference
Reference document — Secondary reference
220594Reference document
Same NSN cross-reference
Reference document — Secondary reference
5102-156Reference 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 MS16630-156?
MS16630-156 is a RING,RETAINING.
What parts can replace MS16630-156?
There are 3 known substitutes for MS16630-156: 992752, 220594, 5102-156. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16630-156?
MS16630-156 is cataloged in the U.S. Government catalog under NSN 5325-00-060-6495. 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.