MS51990E103P — RING,LOCK,SERRATED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MS51990E103P: RING,LOCK,SERRATED.

The RING,LOCK,SERRATED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, overall_height: 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, inside_diameter: 0.186 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, inner_serration_quantity: 16, outer_serration_quantity: 20, overall_outside_diameter: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-136-0184, 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

MS51990E103P

NSN: 5365-00-136-0184
NIINs: 001360184, 010894578
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	0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
inside_diameter	0.186 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
inner_serration_quantity	16
outer_serration_quantity	20
overall_outside_diameter	0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
material_document_and_classification	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
side_outer_serrations_omitted_for_close_edge_installation	TWO SIDES
NSN	5365-00-136-0184

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL OUTSIDE DIAMETER: 0.308 INCHES NOMINAL IN

•

INNER SERRATION QUANTITY: 16

•

PILOT DIAMETER: 0.255 INCHES NOMINAL IN

•

INSIDE DIAMETER: 0.189 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE

•

OUTER SERRATION QUANTITY: 20

•

MATERIAL: STEEL CORROSION RESISTING

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.099 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	0.308 INCHES NOMINAL IN
INNER SERRATION QUANTITY	16
PILOT DIAMETER	0.255 INCHES NOMINAL IN
INSIDE DIAMETER	0.189 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE
OUTER SERRATION QUANTITY	20
MATERIAL	STEEL CORROSION RESISTING

SUBSTITUTES & CROSS-REFERENCES 4

AA59558-202Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5365PL0170741Reference document

Same NSN cross-reference

Reference document — Informative reference only

A-A-59558Reference document

Same NSN cross-reference

Reference document — Identification reference

MS51990C103Reference document

Same NSN cross-reference

Reference document — Secondary 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 MS51990E103P?

MS51990E103P is a RING,LOCK,SERRATED.

What parts can replace MS51990E103P?

There are 4 known substitutes for MS51990E103P: AA59558-202, 5365PL0170741, A-A-59558 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51990E103P?

MS51990E103P is cataloged in the U.S. Government catalog under NSN 5365-00-136-0184. This indicates validated use in U.S. government and defense supply chains.

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MS51990E103P — RING,LOCK,SERRATED

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