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123ECM51020-11 — SPACER,SLEEVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

123ECM51020-11: SPACER,SLEEVE.

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include corner_shape: SQUARE ALL CORNERS, flange_width: 0.0620 INCHES NOMINAL IN, overall_length: 0.3070 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.1900 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN, body_outside_diameter: 0.4270 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-306-3574, 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
123ECM51020-11
NSN: 5365-01-306-3574
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
corner_shapeSQUARE ALL CORNERS
flange_width0.0620 INCHES NOMINAL IN
overall_length0.3070 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.1900 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
body_outside_diameter0.4270 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
flange_outside_diameter0.5000 INCHES NOMINAL IN
NSN5365-01-306-3574
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SLEEVE TITLE COMPONENT PN 123ECM51020-11 MFR SPACER,SLEEVE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.4270 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.1900 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0620 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.4270 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.3070 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.1900 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
FLANGE WIDTH0.0620 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 123ECM51020-11?
123ECM51020-11 is a SPACER,SLEEVE.
What is the NSN for 123ECM51020-11?
123ECM51020-11 is cataloged in the U.S. Government catalog under NSN 5365-01-306-3574. 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.