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54137 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
Silverlit · BALL BEARING
PRODUCT OVERVIEW

54137: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a Silverlit industrial component. Key specifications include duty_type: CONTINUOUS, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 1.140 INCHES MAXIMUM IN, overall_height: 0.696 INCHES MAXIMUM IN, overall_length: 1.187 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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
54137
NSN: 3120-00-509-6432
NIINs: 005096432, 006773665, 008375582
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 24975 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
thread_class2B SINGLE MOUNTING FACILITY
coil_quantity1
overall_width1.140 INCHES MAXIMUM IN
overall_height0.696 INCHES MAXIMUM IN
overall_length1.187 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
winding_quantity1
nominal_thread_size0.112 INCHES SINGLE MOUNTING FACILITY IN
body_inside_diameter1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
body_outside_diameter1.2450 INCHES MINIMUM AND 1.2454 INCHES MAXIMUM IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
NSN3120-00-509-6432
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 54137 · Silverlit ⚠ 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
LN54137Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
Manufacturer release date (catalog record)2019-01-01
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 54137?
54137 is a RELAY,ELECTROMAGNETIC manufactured by Silverlit.
What parts can replace 54137?
There is 1 known substitute for 54137: LN54137. Substitute compatibility should be verified for your specific system.
What is the NSN for 54137?
54137 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.