PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50058-3Bearing,sleeve

Bunting Bearings Llc Dba Bunting Bearings Corp · NSN 3120-00-116-1287 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-116-1287 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-116-1287. Primary manufacturer part number: 50058-3.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.5005 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Storage Temp Range: -65.0 TO 275.0 FAHRENHEIT DEGF
  • Material: COPPER ALLOY OVERALL
  • Specification/standard Data: 96906-DOD-STD-100 GOVERNMENT STANDARD
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-116-1287, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bunting Bearings Llc Dba Bunting Bearings Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-116-1287
Primary Part Number50058-3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBunting Bearings Llc Dba Bunting Bearings Corp
StatusCANCELLED
Body Outside Diameter0.5005 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Storage Temp Range-65.0 TO 275.0 FAHRENHEIT DEGF
MaterialCOPPER ALLOY OVERALL
Specification/standard Data96906-DOD-STD-100 GOVERNMENT STANDARD
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Special Test FeaturesSLEEVE BEARING
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6105-00-312-654250058-3 INTERCHANGEABLE
Stator,motor
Ambac International Corporation Div Ambac International
5905-00-615-2099 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
2840-00-922-9521500583 INTERCHANGEABLE
Shield,heat,aircraft Gas Turbine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-01-044-3075500-307 INTERCHANGEABLE
Gasket
Sihi Pumps Ltd
6110-01-432-7230CBRS10-12.5-480-12 INTERCHANGEABLE
Starter,motor
Benshaw, Inc.
Cross-Reference Index
Part NumberManufacturer
AAB519-3 Bunting Bearings Llc Dba Bunting Bearings Corp (USA)
50058-3 PRIMARY Bunting Bearings Llc Dba Bunting Bearings Corp (USA)
50-058-3 Mission Systems Davenport Inc. (USA)
50058-3 Mission Systems Davenport Inc. (USA)
Related Parts
6105-00-312-6542INTERCHANGEABLE
STATOR,MOTOR
50058-3
5905-00-615-2099INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
2840-00-922-9521INTERCHANGEABLE
SHIELD,HEAT,AIRCRAFT GAS TURBINE
500583
5330-01-044-3075INTERCHANGEABLE
GASKET
500-307
6110-01-432-7230INTERCHANGEABLE
STARTER,MOTOR
CBRS10-12.5-480-12

Frequently Asked Questions

What is NSN 3120-00-116-1287?

NSN 3120-00-116-1287 is a Bearing,sleeve, manufactured by Bunting Bearings Llc Dba Bunting Bearings Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-116-1287?

NSN 3120-00-116-1287 has 4 cross-referenced part numbers: AAB519-3 (Bunting Bearings Llc Dba Bunting Bearings Corp), 50058-3 (Bunting Bearings Llc Dba Bunting Bearings Corp), 50-058-3 (Mission Systems Davenport Inc.), 50058-3 (Mission Systems Davenport Inc.).

What NSN replaces 3120-00-116-1287?

There are 5 known substitutes for 3120-00-116-1287: 6105-00-312-6542, 5905-00-615-2099, 2840-00-922-9521 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50058-3?

Key specifications for 50058-3: Body Outside Diameter: 0.5005 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Storage Temp Range: -65.0 TO 275.0 FAHRENHEIT DEGF; Overall Length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-116-1287 still in active supply?

NSN 3120-00-116-1287 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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