PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4959Bushing,sleeve

Lear Siegler Inc Sherwood Div · NSN 3120-00-148-2088 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-148-2088 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-148-2088. Primary manufacturer part number: 4959.
Features
  • Bushing,sleeve — FSC 3120
  • Body Inside Diameter: 1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN
  • Hole Diameter: 0.1360 INCHES NOMINAL AND 0.1562 INCHES NOMINAL FIRST IN
  • Corner Shape: SQUARE ALL CORNERS
  • Antirotation/lubrication Type and Quantity: 8 HOLE
  • Surface Groove Location and Quantity: 1 EXTERNAL
  • Body Outside Diameter: 1.7730 INCHES MINIMUM AND 1.7740 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-148-2088, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-148-2088
Primary Part Number4959
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
Body Inside Diameter1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN
Hole Diameter0.1360 INCHES NOMINAL AND 0.1562 INCHES NOMINAL FIRST IN
Corner ShapeSQUARE ALL CORNERS
Antirotation/lubrication Type and Quantity8 HOLE
Surface Groove Location and Quantity1 EXTERNAL
Body Outside Diameter1.7730 INCHES MINIMUM AND 1.7740 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Lubricant Accommodation StyleGROOVED CIRCULAR
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5340-00-036-166104959 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
6625-00-255-58144959-115V INTERCHANGEABLE
Meter,electrical Frequency
Avo Intl
6625-00-669-07394959 INTERCHANGEABLE
Meter,electrical Frequency
Avo Intl
8115-00-774-65624959 INTERCHANGEABLE
Box,shipping
Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
1680-00-858-45014959 INTERCHANGEABLE
Arm,fore and Aft Co
Lockheed Martin Corp
5950-00-891-4087722801-58 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
1270-00-898-1261 INTERCHANGEABLE
Modulator,magnetic
3950-01-147-29994959 INTERCHANGEABLE
Output Shaft
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
4959 Lear Siegler Inc Sherwood Div (USA)
Related Parts
5340-00-036-1661INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
04959
6625-00-255-5814INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
4959-115V
6625-00-669-0739INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
4959
8115-00-774-6562INTERCHANGEABLE
BOX,SHIPPING
4959
1680-00-858-4501INTERCHANGEABLE
ARM,FORE AND AFT CO
4959
5950-00-891-4087INTERCHANGEABLE
TRANSFORMER,POWER
722801-58
1270-00-898-1261INTERCHANGEABLE
MODULATOR,MAGNETIC
3950-01-147-2999INTERCHANGEABLE
OUTPUT SHAFT
4959

Frequently Asked Questions

What is NSN 3120-00-148-2088?

NSN 3120-00-148-2088 is a Bushing,sleeve, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-148-2088?

NSN 3120-00-148-2088 has 1 cross-referenced part number: 4959 (Lear Siegler Inc Sherwood Div).

What NSN replaces 3120-00-148-2088?

There are 8 known substitutes for 3120-00-148-2088: 5340-00-036-1661, 6625-00-255-5814, 6625-00-669-0739 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4959?

Key specifications for 4959: Body Inside Diameter: 1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN; Hole Diameter: 0.1360 INCHES NOMINAL AND 0.1562 INCHES NOMINAL FIRST IN; Corner Shape: SQUARE ALL CORNERS; Antirotation/lubrication Type and Quantity: 8 HOLE. 10 total characteristics are documented in the Federal Logistics Information System.

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