PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E3Bushing,sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3120-00-528-6551 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-528-6551 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-528-6551. Primary manufacturer part number: E3.
Features
  • Bushing,sleeve — FSC 3120
  • Body Outside Diameter: 1.8730 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.4052 INCHES MINIMUM AND 1.4072 INCHES MAXIMUM IN
  • Flange Width: 0.1875 INCHES NOMINAL IN
  • Flange Outside Diameter: 2.0887 INCHES MINIMUM AND 2.0987 INCHES MAXIMUM IN
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material Document and Classification: MIL-M-16576 GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Copper Alloy 903 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-528-6551, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-528-6551
Primary Part NumberE3
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Body Outside Diameter1.8730 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
Body Inside Diameter1.4052 INCHES MINIMUM AND 1.4072 INCHES MAXIMUM IN
Flange Width0.1875 INCHES NOMINAL IN
Flange Outside Diameter2.0887 INCHES MINIMUM AND 2.0987 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Material Document and ClassificationMIL-M-16576 GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
MaterialCOPPER ALLOY 903 OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-8514E3 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
6505-00-153-837906-02077 INTERCHANGEABLE
Eugenol
Keystone Dental, Inc
5120-00-223-6942 INTERCHANGEABLE
Extractor,screw
1730-00-247-1569E3 INTERCHANGEABLE
Sling,aircraft Maintenance
The Boeing Company Div Legacy Am&m
6240-00-266-99446A-1 INTERCHANGEABLE
Lamp,incandescent
Micro Lamps Inc.
4910-00-357-6617E3 INTERCHANGEABLE
Plate Pulling
Bear Hydraulics Inc
5961-00-783-5719A300 INTERCHANGEABLE
Semiconductor Device,diode
Mallory Sonalert Products, Inc.
3433-01-075-2145E-3 INTERCHANGEABLE
Tip,welding Torch
Dockson Corporation
5210-01-077-8056E3 INTERCHANGEABLE
Gage,cylinder
B. C. Ames Incorporated
5980-01-274-925328624-105D INTERCHANGEABLE
Light Emitting Diode
Viavi Solutionsllc
Cross-Reference Index
Part NumberManufacturer
E3 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3110-00-100-8514INTERCHANGEABLE
BEARING,BALL,THRUST
E3
6505-00-153-8379INTERCHANGEABLE
EUGENOL
06-02077
5120-00-223-6942INTERCHANGEABLE
EXTRACTOR,SCREW
1730-00-247-1569INTERCHANGEABLE
SLING,AIRCRAFT MAINTENANCE
E3
6240-00-266-9944INTERCHANGEABLE
LAMP,INCANDESCENT
6A-1
4910-00-357-6617INTERCHANGEABLE
PLATE PULLING
E3
5961-00-783-5719INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A300
3433-01-075-2145INTERCHANGEABLE
TIP,WELDING TORCH
E-3
5210-01-077-8056INTERCHANGEABLE
GAGE,CYLINDER
E3
5980-01-274-9253INTERCHANGEABLE
LIGHT EMITTING DIODE
28624-105D
5315-01-315-0032INTERCHANGEABLE
PIN,LOCK,DETENT
3040-01-349-7091INTERCHANGEABLE
SHAFT,STRAIGHT
B137F-92

Frequently Asked Questions

What is NSN 3120-00-528-6551?

NSN 3120-00-528-6551 is a Bushing,sleeve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-528-6551?

NSN 3120-00-528-6551 has 1 cross-referenced part number: E3 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 3120-00-528-6551?

There are 12 known substitutes for 3120-00-528-6551: 3110-00-100-8514, 6505-00-153-8379, 5120-00-223-6942 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E3?

Key specifications for E3: Body Outside Diameter: 1.8730 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN; Body Inside Diameter: 1.4052 INCHES MINIMUM AND 1.4072 INCHES MAXIMUM IN; Flange Width: 0.1875 INCHES NOMINAL IN; Flange Outside Diameter: 2.0887 INCHES MINIMUM AND 2.0987 INCHES MAXIMUM IN. 13 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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