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12373439 — SPACER,SPECIAL SHAPED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12373439: SPACER,SPECIAL SHAPED.

The SPACER,SPECIAL SHAPED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY A356.0, overall_width: 2.240 INCHES NOMINAL IN, overall_length: 4.500 INCHES NOMINAL IN, special_features: RECTANGULAR SHAPE WITH APERATURE, 1.750 INS DIA, APERATURE IS FLANGED, 7 BOLT HOLES DIFFERENT SIZES, overall_thickness: 1.500 INCHES NOMINAL IN, surface_treatment: CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-421-9553, 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
12373439
NSN: 5365-01-421-9553
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY A356.0
overall_width2.240 INCHES NOMINAL IN
overall_length4.500 INCHES NOMINAL IN
special_featuresRECTANGULAR SHAPE WITH APERATURE, 1.750 INS DIA, APERATURE IS FLANGED, 7 BOLT HOLES DIFFERENT SIZES
overall_thickness1.500 INCHES NOMINAL IN
surface_treatmentCHROMATE
bolt_hole_diameter0.424 INCHES NOMINAL IN
material_document_and_classificationMIL-A-21180 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5365-01-421-9553
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SPECIAL SHAPED TITLE COMPONENT PN 12373439 MFR SPACER,SPECIAL SHAPED
KEY FEATURES
•
OVERALL THICKNESS: 1.500 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.424 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-21180 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: CHROMATE
•
MATERIAL: ALUMINUM ALLOY A356.0
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS1.500 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.424 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-21180 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.500 INCHES NOMINAL IN
OVERALL WIDTH2.240 INCHES NOMINAL IN
SPECIAL FEATURESRECTANGULAR SHAPE WITH APERATURE, 1.750 INS DIA, APERATURE IS FLANGED, 7 BOLT HOLES DIFFERENT SIZES
SURFACE TREATMENTCHROMATE
MATERIALALUMINUM ALLOY A356.0
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 12373439?
12373439 is a SPACER,SPECIAL SHAPED.
What is the NSN for 12373439?
12373439 is cataloged in the U.S. Government catalog under NSN 5365-01-421-9553. 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.