PartsTable
Technical Data Sheet
A1721 ✓ Verified by PartsTable
· TAPERED BEARING
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

The ADAPTER,AIRCRAFT JACKING POINT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020, overall_height: 2.130 INCHES NOMINAL IN, overall_diameter: 1.500 INCHES NOMINAL IN, attachment_method: PLAIN SHANK, surface_treatment: ENAMEL AND CHROMATE ZINC, material_document_and_classification: QQ-S-630, COMP 1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6168, 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
A1721
NSN: 3110-00-100-6168
FSC: 3110
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1020
overall_height2.130 INCHES NOMINAL IN
overall_diameter1.500 INCHES NOMINAL IN
attachment_methodPLAIN SHANK
surface_treatmentENAMEL AND CHROMATE ZINC
material_document_and_classificationQQ-S-630, COMP 1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-P-8585-CANCELED MIL SPEC 2ND TREATMENT RESPONSE
NSN3110-00-100-6168
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A1721 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1723-2Interchangeable
interchangeable cross-reference
interchangeable
10383836Interchangeable
interchangeable cross-reference
interchangeable
SE20XD01Interchangeable
interchangeable cross-reference
interchangeable
SS5221-1Interchangeable
interchangeable cross-reference
interchangeable
SR-754Interchangeable
interchangeable cross-reference
interchangeable
2543Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1721?
A1721 is a ADAPTER,AIRCRAFT JACKING POINT.
What parts can replace A1721?
There are 24 known substitutes for A1721: 1723-2, 10383836, SE20XD01 and 21 more. Substitute compatibility should be verified for your specific system.
Is A1721 still available?
A1721 is currently cancelled.
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