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PartsTable / COMPONENT / CS2137691
CS2137691 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 OVERALL, material_document_and_classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-213-7691, 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
CS2137691
NSN: 3120-01-213-7691
FSC: 3120
CAGE: 07310 — CALABRESE & SONS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 903 OVERALL
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-213-7691
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: CS2137691 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: COPPER ALLOY 903 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 903 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
10906Interchangeable
interchangeable cross-reference
interchangeable
48754HInterchangeable
interchangeable cross-reference
interchangeable
10906-2Interchangeable
interchangeable cross-reference
interchangeable
10906-100Interchangeable
interchangeable cross-reference
interchangeable
BL7/64Interchangeable
interchangeable cross-reference
interchangeable
BS5-2351 PC 171Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS2137691?
CS2137691 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace CS2137691?
There are 8 known substitutes for CS2137691: 10906, 48754H, 10906-2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CS2137691?
CS2137691 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-213-7691. 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