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PartsTable / COMPONENT / N11637
N11637 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, hardness_rating: 500.0 BRINELL STANDARD MINIMUM OVERALL, material_document_and_classification: ASTM A276 ASSN STD 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 3120-01-188-1561, 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
N11637
NSN: 3120-01-188-1561
FSC: 3120
CAGE: 36480 — HELIGEAR CANADA ACQUISITIONCORPORATIONDBA NORTHSTAR AEROSPACE INC (MILTON) (CAN)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
hardness_rating500.0 BRINELL STANDARD MINIMUM OVERALL
material_document_and_classificationASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-188-1561
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: N11637 · 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
•
HARDNESS RATING: 500.0 BRINELL STANDARD MINIMUM OVERALL
•
MATERIAL: STEEL COMP 440C OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING500.0 BRINELL STANDARD MINIMUM OVERALL
MATERIALSTEEL COMP 440C OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
60-2956Interchangeable
interchangeable cross-reference
interchangeable
BAC1503-5818Interchangeable
interchangeable cross-reference
interchangeable
11637Interchangeable
interchangeable cross-reference
interchangeable
EG873Interchangeable
interchangeable cross-reference
interchangeable
EG-758Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N11637?
N11637 is a RELAY,ELECTROMAGNETIC.
What parts can replace N11637?
There are 21 known substitutes for N11637: AMS-QQ-A-200/3, 60-2956, BAC1503-5818 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N11637?
N11637 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-188-1561. 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