PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53129ABushing,sleeve

Fairbanks Morse, Llc · NSN 3120-00-516-0645 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-516-0645 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-516-0645. Primary manufacturer part number: 53129A.
Features
  • Bushing,sleeve — FSC 3120
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Flange Width: 0.3125 INCHES NOMINAL IN
  • Material: COPPER ALLOY 485 OVERALL
  • Flange Outside Diameter: 1.7088 INCHES MINIMUM AND 1.7288 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy 485 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-516-0645, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-516-0645
Primary Part Number53129A
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusCANCELLED
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Width0.3125 INCHES NOMINAL IN
MaterialCOPPER ALLOY 485 OVERALL
Flange Outside Diameter1.7088 INCHES MINIMUM AND 1.7288 INCHES MAXIMUM IN
Body Outside Diameter1.5575 INCHES MINIMUM AND 1.5675 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Body Inside Diameter1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3040-00-392-7895SM-B-148621 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
53129A PRIMARY Fairbanks Morse, Llc (USA)
53129A Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
Related Parts
3040-00-392-7895INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-B-148621

Frequently Asked Questions

What is NSN 3120-00-516-0645?

NSN 3120-00-516-0645 is a Bushing,sleeve, manufactured by Fairbanks Morse, Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-516-0645?

NSN 3120-00-516-0645 has 2 cross-referenced part numbers: 53129A (Fairbanks Morse, Llc), 53129A (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco).

What NSN replaces 3120-00-516-0645?

There is 1 known substitute for 3120-00-516-0645: 3040-00-392-7895. Verify interchangeability with system specifications before substitution.

What are the specifications of 53129A?

Key specifications for 53129A: Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-516-0645 still in active supply?

NSN 3120-00-516-0645 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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