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Technical Data Sheet
PartsTable / COMPONENT / 2303BC
2303BC ✓ 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

The CLOSER,DOOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY CASE, unit_type: DOUBLE ACTION, control_type: SPRING, operational_direction: LEFT-HAND OR RIGHT-HAND, end_item_identification: LOGISTICS SUPPORT VESSEL, mounting_type_for_which_designed: DOOR/FRAME MORTISE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-347-4281, 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
2303BC
NSN: 5340-01-347-4281
FSC: 5340
CAGE: 66821 — YALE SECURITY INC. DBA NORTON DOOR CONTROL (USA)
SPECIFICATIONS
materialALUMINUM ALLOY CASE
unit_typeDOUBLE ACTION
control_typeSPRING
operational_directionLEFT-HAND OR RIGHT-HAND
end_item_identificationLOGISTICS SUPPORT VESSEL
mounting_type_for_which_designedDOOR/FRAME MORTISE
NSN5340-01-347-4281
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2303BC 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
•
MOUNTING TYPE FOR WHICH DESIGNED: DOOR/FRAME MORTISE
•
CONTROL TYPE: SPRING
•
UNIT TYPE: DOUBLE ACTION
•
OPERATIONAL DIRECTION: LEFT-HAND OR RIGHT-HAND
•
MATERIAL: ALUMINUM ALLOY ARM
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING TYPE FOR WHICH DESIGNEDDOOR/FRAME MORTISE
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
CONTROL TYPESPRING
UNIT TYPEDOUBLE ACTION
OPERATIONAL DIRECTIONLEFT-HAND OR RIGHT-HAND
MATERIALALUMINUM ALLOY ARM
MATERIALALUMINUM ALLOY CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
415-1250-02-00Upgraded Successor
successor cross-reference
successor
415-1250-02-02Upgraded Successor
successor cross-reference
successor
933600-3Upgraded Successor
successor cross-reference
successor
NECO-1829Interchangeable
interchangeable cross-reference
interchangeable
PA9303AND9303Interchangeable
interchangeable cross-reference
interchangeable
PL418-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2303BC?
2303BC is a CLOSER,DOOR.
What parts can replace 2303BC?
There are 22 known substitutes for 2303BC: 415-1250-02-00, 415-1250-02-02, 933600-3 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2303BC?
2303BC is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-347-4281. 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