PartsTable
Technical Data Sheet
PartsTable / MRO / 1203-12
1203-12 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: RUBBER SYNTHETIC, body_style: STRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF, shell_type: SOLID, body_length: 2.281 INCHES NOMINAL IN, thread_class: 2A A, overall_width: 5.000 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 3110-00-100-0640, 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
MRO→ MRO_GENERAL→ 1203-12
NSN: 3110-00-100-0640
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF
shell_typeSOLID
body_length2.281 INCHES NOMINAL IN
thread_class2A A
overall_width5.000 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_height4.062 INCHES NOMINAL IN
overall_length36.000 INCHES IN
shell_materialALUMINUM ALLOY
insert_materialRUBBER SINGLE MATING END
mounting_methodINLET CONNECTION
NSN3110-00-100-0640
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1203-12 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BACKFACE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 1.9380 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.6875 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER1.9380 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
7903132-03Interchangeable
interchangeable cross-reference
interchangeable
P343-0672-000Interchangeable
interchangeable cross-reference
interchangeable
112-1052-004Interchangeable
interchangeable cross-reference
interchangeable
24274Interchangeable
interchangeable cross-reference
interchangeable
268070PC6Interchangeable
interchangeable cross-reference
interchangeable
40424Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1203-12?
1203-12 is a CONNECTOR,RECEPTACLE,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1203-12?
There are 28 known substitutes for 1203-12: 7903132-03, P343-0672-000, 112-1052-004 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1203-12?
1203-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0640. 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