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12321053 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12321053: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL, inside_diameter: 4.160 INCHES NOMINAL IN, outside_diameter: 4.880 INCHES NOMINAL IN, special_features: 6 HOLES WITH DIA OF 0.135 IN EQUALLY SPACED AND CENTERED ON A CIRCLE WITH A DIA OF 2.215 IN IN, overall_thickness: 0.060 INCHES NOMINAL IN, surface_treatment: OXIDE. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-184-6887, 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
12321053
NSN: 5365-01-184-6887
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
inside_diameter4.160 INCHES NOMINAL IN
outside_diameter4.880 INCHES NOMINAL IN
special_features6 HOLES WITH DIA OF 0.135 IN EQUALLY SPACED AND CENTERED ON A CIRCLE WITH A DIA OF 2.215 IN IN
overall_thickness0.060 INCHES NOMINAL IN
surface_treatmentOXIDE
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
NSN5365-01-184-6887
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 12321053 MFR SPACER,RING
KEY FEATURES
•
OUTSIDE DIAMETER: 4.880 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.060 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 4.160 INCHES NOMINAL IN
•
SURFACE TREATMENT: OXIDE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.880 INCHES NOMINAL IN
OVERALL THICKNESS0.060 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER4.160 INCHES NOMINAL IN
SPECIAL FEATURES6 HOLES WITH DIA OF 0.135 IN EQUALLY SPACED AND CENTERED ON A CIRCLE WITH A DIA OF 2.215 IN IN
SURFACE TREATMENTOXIDE
MATERIALSTEEL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12321053?
12321053 is a SPACER,RING.
What is the NSN for 12321053?
12321053 is cataloged in the U.S. Government catalog under NSN 5365-01-184-6887. 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.