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212663 — CONNECTING LINK,RIGID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

212663: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: STEEL, link_style: STRAIGHT, body_thickness: 0.125 INCHES NOMINAL IN, shoulder_width: 0.250 INCHES NOMINAL IN, special_features: O/A LENGTH:0.950 IN.NOM IN, body_construction: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-006-9379, 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
212663
NSN: 5340-00-006-9379
NIINs: 000069379, 011525610, 011930489
FSC: 5340 — Hardware, Commercial
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL
link_styleSTRAIGHT
body_thickness0.125 INCHES NOMINAL IN
shoulder_width0.250 INCHES NOMINAL IN
special_featuresO/A LENGTH:0.950 IN.NOM IN
body_constructionSOLID
surface_treatmentPASSIVATE
hub_inside_diameter0.480 INCHES NOMINAL IN
end_item_identificationAIRCRAFT MODEL SH-6OB,LAMPS MARK 3
shoulder_outside_diameter1.680 INCHES NOMINAL IN
material_document_and_classificationCOMP 303 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-006-9379
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 212663 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 1.437 INCHES MAXIMUM IN
•
DRIVE TYPE: SERRATED
•
FEATURES PROVIDED: BEVELED SEAT
•
THREAD CLASS: 1A A
•
MATERIAL: ALUMINUM
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/8-14 UNF
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER1.437 INCHES MAXIMUM IN
DRIVE TYPESERRATED
FEATURES PROVIDEDBEVELED SEAT
THREAD CLASS1A A
MATERIALALUMINUM
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/8-14 UNF
SUBSTITUTES & CROSS-REFERENCES 1
5340PL0798222Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 212663?
212663 is a CONNECTING LINK,RIGID.
What parts can replace 212663?
There is 1 known substitute for 212663: 5340PL0798222. Substitute compatibility should be verified for your specific system.
What is the NSN for 212663?
212663 is cataloged in the U.S. Government catalog under NSN 5340-00-006-9379. 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.