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Technical Data Sheet
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1273463 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.531 INCHES NOMINAL IN, length: 8.031 INCHES NOMINAL IN, material: ALUMINUM ALLOY, inside_angle: 2.0 DEGREES NOMINAL, inside_width: 3.375 INCHES NOMINAL IN, corner_radius: 0.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-737-4825, 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
1273463
NSN: 5340-00-737-4825
FSC: 5340
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
width4.531 INCHES NOMINAL IN
length8.031 INCHES NOMINAL IN
materialALUMINUM ALLOY
inside_angle2.0 DEGREES NOMINAL
inside_width3.375 INCHES NOMINAL IN
corner_radius0.625 INCHES NOMINAL IN
inside_length6.875 INCHES NOMINAL IN
flange_thickness0.313 INCHES NOMINAL IN
body_outside_radius0.475 INCHES NOMINAL IN
fsc_application_dataREGULATOR,GASOLINE ENGINE,NONAIRCRAFT
inside_corner_radius0.375 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
NSN5340-00-737-4825
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1273463 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 OPENING SHAPE STYLE: UNTHREADED HOLE
•
INSIDE WIDTH: 3.375 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 3.156 INCHES NOMINAL IN
•
INSIDE ANGLE: 2.0 DEGREES NOMINAL
•
FLANGE THICKNESS: 0.313 INCHES NOMINAL IN
•
FSC APPLICATION DATA: REGULATOR,GASOLINE ENGINE,NONAIRCRAFT
•
INSIDE LENGTH: 6.875 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
INSIDE WIDTH3.375 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT3.156 INCHES NOMINAL IN
INSIDE ANGLE2.0 DEGREES NOMINAL
FLANGE THICKNESS0.313 INCHES NOMINAL IN
FSC APPLICATION DATAREGULATOR,GASOLINE ENGINE,NONAIRCRAFT
INSIDE LENGTH6.875 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
OUTSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
BODY OUTSIDE RADIUS0.475 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
118752Upgraded Successor
successor cross-reference
successor
SS798BInterchangeable
interchangeable cross-reference
interchangeable
PS377458Interchangeable
interchangeable cross-reference
interchangeable
N210502 000007Interchangeable
interchangeable cross-reference
interchangeable
648F1-2X3-8Interchangeable
interchangeable cross-reference
interchangeable
J512Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1273463?
1273463 is a COVER,ACCESS.
What parts can replace 1273463?
There are 9 known substitutes for 1273463: 118752, SS798B, PS377458 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1273463?
1273463 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-737-4825. 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