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A22121 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 380.0 CASE, shell_type: SOLID, operation_method: HANDLE LATCH BOLT, surface_treatment: ANODIZE CASE, supplementary_features: MOUNTING METHOD - THREADED HOLE, connector_locking_method: BAYONET PIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-160-6616, 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
A22121
NSN: 5340-01-160-6616
FSC: 5340
CAGE: 08844 — MARATHONNORCO AEROSPACE, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 380.0 CASE
shell_typeSOLID
operation_methodHANDLE LATCH BOLT
surface_treatmentANODIZE CASE
mating_end_quantity1
supplementary_featuresMOUNTING METHOD - THREADED HOLE
connector_locking_methodBAYONET PIN
NSN5340-01-160-6616
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A22121 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
•
OPERATION METHOD: HANDLE LATCH BOLT
•
SURFACE TREATMENT: ANODIZE CASE
•
MATERIAL: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 380.0 CASE
TECHNICAL CHARACTERISTICS (FLIS)
OPERATION METHODHANDLE LATCH BOLT
SURFACE TREATMENTANODIZE CASE
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 380.0 CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2896556-2Upgraded Successor
successor cross-reference
successor
2996-2Upgraded Successor
successor cross-reference
successor
A2212-2Upgraded Successor
successor cross-reference
successor
29961Interchangeable
interchangeable cross-reference
interchangeable
91491Interchangeable
interchangeable cross-reference
interchangeable
1664862Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A22121?
A22121 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace A22121?
There are 16 known substitutes for A22121: 2896556-2, 2996-2, A2212-2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A22121?
A22121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-160-6616. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026