MS51990E102P — RING,LOCK,SERRATED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MS51990E102P: RING,LOCK,SERRATED.

The RING,LOCK,SERRATED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, overall_height: 0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN, pilot_diameter: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN, inside_diameter: 0.158 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, inner_serration_quantity: 14. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-040-5223, 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

MS51990E102P

NSN: 5365-01-040-5223
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	IRON ALLOY 660
overall_height	0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
pilot_diameter	0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
inside_diameter	0.158 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
surface_treatment	PASSIVATE
inner_serration_quantity	14
overall_outside_diameter	0.240 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
material_document_and_classification	AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
side_outer_serrations_omitted_for_close_edge_installation	TWO SIDES
NSN	5365-01-040-5223

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE

•

OVERALL OUTSIDE DIAMETER: 0.240 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN

•

INNER SERRATION QUANTITY: 14

•

PILOT DIAMETER: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 0.158 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN

•

SIDE OUTER SERRATIONS OMITTED FOR CLOSE EDGE INSTALLATION: TWO SIDES

•

SURFACE TREATMENT: PASSIVATE

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER	0.240 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
INNER SERRATION QUANTITY	14
PILOT DIAMETER	0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
INSIDE DIAMETER	0.158 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
SIDE OUTER SERRATIONS OMITTED FOR CLOSE EDGE INSTALLATION	TWO SIDES
SURFACE TREATMENT	PASSIVATE
MATERIAL	IRON ALLOY 660

SUBSTITUTES & CROSS-REFERENCES 3

A-A-59558Reference document

Same NSN cross-reference

Reference document — Secondary reference

AA59558-201Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MIL-I-45910Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS51990E102P?

MS51990E102P is a RING,LOCK,SERRATED.

What parts can replace MS51990E102P?

There are 3 known substitutes for MS51990E102P: A-A-59558, AA59558-201, MIL-I-45910. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51990E102P?

MS51990E102P is cataloged in the U.S. Government catalog under NSN 5365-01-040-5223. This indicates validated use in U.S. government and defense supply chains.

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