PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E16Bearing,sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3120-00-288-1770 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-288-1770 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-288-1770. Primary manufacturer part number: E16.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-M-16576,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Material: COPPER ALLOY 903 OVERALL
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 903 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-288-1770, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-288-1770
Primary Part NumberE16
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Material Document and ClassificationMIL-M-16576,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
MaterialCOPPER ALLOY 903 OVERALL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Flange Width0.2500 INCHES NOMINAL IN
Flange Outside Diameter4.4219 INCHES MINIMUM AND 4.4531 INCHES MAXIMUM IN
Body Outside Diameter3.8700 INCHES MINIMUM AND 3.8750 INCHES MAXIMUM IN
Body Inside Diameter3.2969 INCHES MINIMUM AND 3.3120 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5977-00-233-1060MCL-133 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
5999-00-440-0275E16 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
3110-00-554-6102043CM INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
4730-00-585-8582 INTERCHANGEABLE
Clamp,hose
3456-00-640-3015F1385500PCC16SR16FR3LR16 INTERCHANGEABLE
CAGE Assembly,roller Tube Expand
Naval Ship Systems Command
3110-00-679-1263 INTERCHANGEABLE
Bearing,ball,annular
6145-01-036-3640 INTERCHANGEABLE
Wire,electrical
5315-01-044-3847 INTERCHANGEABLE
Pin,straight,headed
6520-01-509-0660 INTERCHANGEABLE
Glass Safety Shield
Cross-Reference Index
Part NumberManufacturer
R651PC2-6 Security Steel Equipment Corp
E16 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5977-00-233-1060INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
MCL-133
5999-00-440-0275INTERCHANGEABLE
HEATER,THERMAL RELEASE
E16
3110-00-554-6102INTERCHANGEABLE
BEARING,BALL,ANNULAR
043CM
4730-00-585-8582INTERCHANGEABLE
CLAMP,HOSE
3456-00-640-3015INTERCHANGEABLE
CAGE ASSEMBLY,ROLLER TUBE EXPAND
F1385500PCC16SR16FR3LR16
3110-00-679-1263INTERCHANGEABLE
BEARING,BALL,ANNULAR
6145-01-036-3640INTERCHANGEABLE
WIRE,ELECTRICAL
5315-01-044-3847INTERCHANGEABLE
PIN,STRAIGHT,HEADED
6520-01-509-0660INTERCHANGEABLE
GLASS SAFETY SHIELD

Frequently Asked Questions

What is NSN 3120-00-288-1770?

NSN 3120-00-288-1770 is a Bearing,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 3120-00-288-1770?

NSN 3120-00-288-1770 has 2 cross-referenced part numbers: R651PC2-6 (Security Steel Equipment Corp), E16 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 3120-00-288-1770?

There are 9 known substitutes for 3120-00-288-1770: 5977-00-233-1060, 5999-00-440-0275, 3110-00-554-6102 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E16?

Key specifications for E16: Material Document and Classification: MIL-M-16576,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Material: COPPER ALLOY 903 OVERALL. 14 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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