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Technical Data Sheet
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446551 — SPACER,SPECIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

446551: SPACER,SPECIAL.

The SPACER,SPECIAL is a the manufacturer industrial component. Key specifications include end_item_identification: AIRBORNE RADAR SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-762-0981, 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
446551
NSN: 5365-00-762-0981
NIINs: 007620981, 015243420
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
end_item_identificationAIRBORNE RADAR SYSTEM
NSN5365-00-762-0981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SPECIAL TITLE COMPONENT PN 446551 MFR SPACER,SPECIAL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; CADMIUM PLATED; 6. 000 IN. LG; 2.250 IN. W; 0.065 IN. THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; CADMIUM PLATED; 6. 000 IN. LG; 2.250 IN. W; 0.065 IN. THK IN
SUBSTITUTES & CROSS-REFERENCES 1
52C4131-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 446551?
446551 is a SPACER,SPECIAL.
What parts can replace 446551?
There is 1 known substitute for 446551: 52C4131-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 446551?
446551 is cataloged in the U.S. Government catalog under NSN 5365-00-762-0981. 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.