MS16631-1218 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS16631-1218: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN, minor_thickness: 0.0575 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN, outside_diameter: 2.385 INCHES MINIMUM AND 2.455 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-256-2857, 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

MS16631-1218

NSN: 5325-00-256-2857
FSC: 5325 — Fastening Devices
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL
ring_style	INTERNAL
usage_design	INTERNAL
major_thickness	0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
minor_thickness	0.0575 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN
outside_diameter	2.385 INCHES MINIMUM AND 2.455 INCHES MAXIMUM IN
surface_treatment	CADMIUM AND CHROMATE
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_style	BEVELED ONE OUTSIDE CORNER
material_document_and_classification	FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
NSN	5325-00-256-2857

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM

•

USAGE DESIGN: INTERNAL

•

MINOR THICKNESS: 0.0575 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: BEVELED ONE OUTSIDE CORNER

•

OUTSIDE DIAMETER: 2.385 INCHES MINIMUM AND 2.455 INCHES MAXIMUM IN

•

MAJOR THICKNESS: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGN	INTERNAL
MINOR THICKNESS	0.0575 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	BEVELED ONE OUTSIDE CORNER
OUTSIDE DIAMETER	2.385 INCHES MINIMUM AND 2.455 INCHES MAXIMUM IN
MAJOR THICKNESS	0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	INTERNAL
SURFACE TREATMENT	CADMIUM AND CHROMATE

SUBSTITUTES & CROSS-REFERENCES 2

N5002-218MDReference document

Same NSN cross-reference

Reference document — Secondary reference

MS16631-2218Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS16631-1218?

MS16631-1218 is a RING,RETAINING.

What parts can replace MS16631-1218?

There are 2 known substitutes for MS16631-1218: N5002-218MD, MS16631-2218. Substitute compatibility should be verified for your specific system.

What is the NSN for MS16631-1218?

MS16631-1218 is cataloged in the U.S. Government catalog under NSN 5325-00-256-2857. This indicates validated use in U.S. government and defense supply chains.

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