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Technical Data Sheet
PartsTable / COMPONENT / 121243
121243 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The WEDGE ASSEMBLY,SEAT is a the manufacturer industrial component. Key specifications include end_item_identification: EJECTION SEAT ACFT MODEL SJU/8A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2930-00-294-0256, 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
121243
NSN: 2930-00-294-0256
FSC: 2930
CAGE: 59130 — TAPPAN CO THE (USA)
SPECIFICATIONS
end_item_identificationEJECTION SEAT ACFT MODEL SJU/8A A
NSN2930-00-294-0256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WEDGE ASSEMBLY,SEAT TITLE COMPONENT PN 121243 MFR WEDGE ASSEMBLY,SEAT
KEY FEATURES
•
MOUNTING BOLT CIRCLE DIAMETER: 0.875 INCHES NOMINAL IN
•
DIAMETER: 5.750 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM OVERALL
•
STYLE DESIGNATOR: ROUNDED TIP
•
MOUNTING HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
ATTACHMENT METHOD: BOLT HOLE
•
HUB LOCATION: FRONT
•
BLADE QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING BOLT CIRCLE DIAMETER0.875 INCHES NOMINAL IN
DIAMETER5.750 INCHES NOMINAL IN
MATERIALALUMINUM OVERALL
STYLE DESIGNATORROUNDED TIP
MOUNTING HOLE DIAMETER0.266 INCHES NOMINAL IN
ATTACHMENT METHODBOLT HOLE
HUB LOCATIONFRONT
BLADE QUANTITY6
MOUNTING HOLE QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
7345Interchangeable
interchangeable cross-reference
interchangeable
5285Interchangeable
interchangeable cross-reference
interchangeable
252568R1Interchangeable
interchangeable cross-reference
interchangeable
ASC1563324Interchangeable
interchangeable cross-reference
interchangeable
5189644Interchangeable
interchangeable cross-reference
interchangeable
L235A010-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121243?
121243 is a WEDGE ASSEMBLY,SEAT.
What parts can replace 121243?
There are 19 known substitutes for 121243: 7345, 5285, 252568R1 and 16 more. Substitute compatibility should be verified for your specific system.
Is 121243 still available?
121243 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026