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LN54137 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

LN54137: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include overall_length: 1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN, body_outside_diameter: 1.2450 INCHES MINIMUM AND 1.2454 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-509-6432, 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
LN54137
NSN: 3120-00-509-6432
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
overall_length1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
body_outside_diameter1.2450 INCHES MINIMUM AND 1.2454 INCHES MAXIMUM IN
NSN3120-00-509-6432
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: LN54137 · 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
•
BODY OUTSIDE DIAMETER: 1.2450 INCHES MINIMUM AND 1.2454 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER1.2450 INCHES MINIMUM AND 1.2454 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
54137Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LN54137?
LN54137 is a RELAY,ELECTROMAGNETIC.
What parts can replace LN54137?
There is 1 known substitute for LN54137: 54137. Substitute compatibility should be verified for your specific system.
What is the NSN for LN54137?
LN54137 is cataloged in the U.S. Government catalog under NSN 3120-00-509-6432. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.