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537GC231 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

537GC231: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL, inside_diameter: 0.531 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL IN, overall_thickness: 0.500 INCHES NOMINAL IN, end_item_identification: SIX CYLINDER ENGINES, material_document_and_classification: SAE J403 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-552-3948, 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
537GC231
NSN: 5365-01-552-3948
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL
inside_diameter0.531 INCHES NOMINAL IN
outside_diameter1.250 INCHES NOMINAL IN
overall_thickness0.500 INCHES NOMINAL IN
end_item_identificationSIX CYLINDER ENGINES
material_document_and_classificationSAE J403 ASSN STD SINGLE MATERIAL RESPONSE
NSN5365-01-552-3948
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 537GC231 MFR SPACER,RING
KEY FEATURES
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J403 ASSN STD SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 0.531 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
OVERALL THICKNESS0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J403 ASSN STD SINGLE MATERIAL RESPONSE
INSIDE DIAMETER0.531 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSIX CYLINDER ENGINES
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 537GC231?
537GC231 is a SPACER,RING.
What is the NSN for 537GC231?
537GC231 is cataloged in the U.S. Government catalog under NSN 5365-01-552-3948. 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.