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PartsTable / COMPONENT / PL-13891 PIECE 7
PL-13891 PIECE 7 ✓ 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 RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: HALF HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.187 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 28, overall_height: 0.688 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-323-8908, 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
PL-13891 PIECE 7
NSN: 3120-01-323-8908
FSC: 3120
CAGE: 28873 — ITW FOOD EQUIPMENT GROUP LLC DBA HOBART SERVICE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleHALF HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.187 INCHES NOMINAL BOTH ENDS IN
coil_quantity28
overall_height0.688 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
inside_diameter0.414 INCHES NOMINAL IN
overall_diameter1.469 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length2.250 INCHES NOMINAL IN
NSN3120-01-323-8908
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: PL-13891 PIECE 7 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2Interchangeable
interchangeable cross-reference
interchangeable
74810P2Interchangeable
interchangeable cross-reference
interchangeable
HA4499Interchangeable
interchangeable cross-reference
interchangeable
76956Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL-13891 PIECE 7?
PL-13891 PIECE 7 is a RETAINER,ELECTRON TUBE.
What parts can replace PL-13891 PIECE 7?
There are 4 known substitutes for PL-13891 PIECE 7: 2, 74810P2, HA4499 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-13891 PIECE 7?
PL-13891 PIECE 7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-323-8908. 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