PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6673Bearing,sleeve

Scripps Marine Engine Co · NSN 3120-00-287-7711 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-7711 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-7711. Primary manufacturer part number: 6673.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 2.3610 INCHES MINIMUM AND 2.3620 INCHES MAXIMUM IN
  • Flange Width: 0.0625 INCHES NOMINAL IN
  • Body Inside Diameter: 1.6860 INCHES MINIMUM AND 1.6870 INCHES MAXIMUM IN
  • Flange Outside Diameter: 2.6875 INCHES NOMINAL IN
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: ROUND LEFT FLANGE BODY CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 1010 or Steel Comp 1015 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-287-7711, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Scripps Marine Engine Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-287-7711
Primary Part Number6673
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerScripps Marine Engine Co
StatusACTIVE
Body Outside Diameter2.3610 INCHES MINIMUM AND 2.3620 INCHES MAXIMUM IN
Flange Width0.0625 INCHES NOMINAL IN
Body Inside Diameter1.6860 INCHES MINIMUM AND 1.6870 INCHES MAXIMUM IN
Flange Outside Diameter2.6875 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeROUND LEFT FLANGE BODY CORNER
MaterialSTEEL COMP 1010 OR STEEL COMP 1015 OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4030-00-082-0655 INTERCHANGEABLE
Terminal,rope,swaging
5905-00-407-00207909 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Triplett (bluffton) Corporation Dba Lfe Instruments
5210-00-720-6497599-9647-30 INTERCHANGEABLE
Blade,thickness Gage
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
2920-00-740-28477909 INTERCHANGEABLE
Spacer Magneto Driv
Prestolite Electric Inc
2805-00-844-6929472270C91 INTERCHANGEABLE
Tappet,engine Poppet Valve
Navistar Intl Corp Truck Br Ohio Plant
6635-01-093-37106673 INTERCHANGEABLE
Tensiometer
Bosch Automotive Service Solutions Inc.
5998-01-224-89625051 INTERCHANGEABLE
Circuit Card Assembly
Avionics Inc
4730-01-241-16157909 INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
8520-01-532-38827909 INTERCHANGEABLE
Shampoo
Sage Products, Llc Dba Stryker Sales, Llc
4010-01-559-824579-09 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Medalist-Rein Leitzke
Cross-Reference Index
Part NumberManufacturer
27U6420PC27 Naval Ship Systems Command (USA)
543BPC7AB Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
J7AB643 Fairbanks Morse, Llc (USA)
75C1550 Norfolk Naval Shipyard (USA)
643-7AB Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
7AB543 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
7AB643 Marine Engine Specialties Div of Mesco Tectonics Inc (USA)
27U6536PC27 Naval Ship Systems Command (USA)
7AB541 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
SN3559PCDB7909 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
6673 PRIMARY Scripps Marine Engine Co (USA)
643BPC7AB Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
J7AB643 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
27U6420PC7AB Naval Ship Systems Command (USA)
DB7909 Norfolk Naval Shipyard (USA)
N5430PCDB7909 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
NP4139PC27 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
NP4016PC7AB Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
NP4016-1PC27 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
27U6421PC27 Naval Ship Systems Command (USA)
Related Parts
4030-00-082-0655INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
5905-00-407-0020INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
7909
5210-00-720-6497INTERCHANGEABLE
BLADE,THICKNESS GAGE
599-9647-30
2920-00-740-2847INTERCHANGEABLE
SPACER MAGNETO DRIV
7909
2805-00-844-6929INTERCHANGEABLE
TAPPET,ENGINE POPPET VALVE
472270C91
6635-01-093-3710INTERCHANGEABLE
TENSIOMETER
6673
5998-01-224-8962INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5051
4730-01-241-1615INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
7909
8520-01-532-3882INTERCHANGEABLE
SHAMPOO
7909
4010-01-559-8245INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
79-09

Frequently Asked Questions

What is NSN 3120-00-287-7711?

NSN 3120-00-287-7711 is a Bearing,sleeve, manufactured by Scripps Marine Engine Co, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-287-7711?

NSN 3120-00-287-7711 has 27 cross-referenced part numbers: 27U6420PC27 (Naval Ship Systems Command), 543BPC7AB (Allard Nazarian Group, Inc. Dba Granite State Manufacturing), J7AB643 (Fairbanks Morse, Llc), 75C1550 (Norfolk Naval Shipyard), 643-7AB (Allard Nazarian Group, Inc. Dba Granite State Manufacturing) and 22 more.

What NSN replaces 3120-00-287-7711?

There are 10 known substitutes for 3120-00-287-7711: 4030-00-082-0655, 5905-00-407-0020, 5210-00-720-6497 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6673?

Key specifications for 6673: Body Outside Diameter: 2.3610 INCHES MINIMUM AND 2.3620 INCHES MAXIMUM IN; Flange Width: 0.0625 INCHES NOMINAL IN; Overall Length: 0.9880 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN; Body Inside Diameter: 1.6860 INCHES MINIMUM AND 1.6870 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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