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50871-1 — 50871-1

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

50871-1: 50871-1.

The 50871-1 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND COPPER BODY AND CONTACT, overall_length: 0.290 INCHES NOMINAL IN, mounting_method: FORCE FIT, overall_diameter: 0.118 INCHES MAXIMUM IN, style_designator: CYLINDRICAL SHAPE, precious_material: GOLD. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-763-0557, 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
MRO→ MRO_GENERAL→ 50871-1
NSN: 3120-00-763-0557
NIINs: 007630557, 012936575
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 72452 — BRAD FOOTE GEAR WORKS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND COPPER BODY AND CONTACT
overall_length0.290 INCHES NOMINAL IN
mounting_methodFORCE FIT
overall_diameter0.118 INCHES MAXIMUM IN
style_designatorCYLINDRICAL SHAPE
precious_materialGOLD
surface_treatmentGOLD AND TIN BODY AND CONTACT
terminal_type_and_quantity1 EYELET END OPPOSITE CONTACT
precious_material_and_weight0.005 GOLD GRAINS, TROY
precious_material_and_locationBODY AND CONTACT SURFACES GOLD
NSN3120-00-763-0557
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 50871-1 · 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 DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY 932 OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 932 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50871-1?
50871-1 is a 50871-1. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 50871-1?
50871-1 is cataloged in the U.S. Government catalog under NSN 3120-00-763-0557. 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.