PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

637008Bearing Half,sleeve

Am General Llc · NSN 3120-00-737-1171 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-737-1171 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-737-1171. Primary manufacturer part number: 637008.
Features
  • Bearing Half,sleeve — FSC 3120
  • Left Flange Width: 0.0860 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN
  • Right Flange Outside Diameter: 3.1250 INCHES NOMINAL IN
  • Left Flange Outside Diameter: 3.1250 INCHES NOMINAL IN
  • Body Inside Diameter: 2.2180 INCHES NOMINAL IN
  • Right Flange Width: 0.0860 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN
  • Body Outside Diameter: 2.5000 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Tin Alloy Inner Layer construction
General Description

The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-737-1171, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Am General Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-737-1171
Primary Part Number637008
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAm General Llc
StatusCANCELLED
Left Flange Width0.0860 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN
Right Flange Outside Diameter3.1250 INCHES NOMINAL IN
Left Flange Outside Diameter3.1250 INCHES NOMINAL IN
Body Inside Diameter2.2180 INCHES NOMINAL IN
Right Flange Width0.0860 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN
Body Outside Diameter2.5000 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Surface TreatmentTIN ALLOY OUTSIDE DIAMETER SURFACE OF RIGHT FLANGE
Material Document and ClassificationUNABLE TO DECODE
Surface TreatmentTIN ALLOY LEFT END SURFACE OF RIGHT FLANGE
Material Document and ClassificationUNABLE TO DECODE
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
Surface TreatmentTIN ALLOY OUTSIDE DIAMETER SURFACE OF BODY
Corner ShapeROUND RIGHT FLANGE BODY CORNER
Corner ShapeROUND INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeROUND INSIDE RIGHT CORNER
MaterialTIN ALLOY INNER LAYER
Style DesignatorHALF SLEEVE, EXTERNAL FLANGES BOTH ENDS
Corner ShapeROUND LEFT FLANGE BODY CORNER
MaterialSTEEL COMP 1010 OUTER LAYER
Surface TreatmentTIN ALLOY OUTSIDE DIAMETER SURFACE OF LEFT FLANGE
Surface TreatmentTIN ALLOY RIGHT END SURFACE OF LEFT FLANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-003-4652 INTERCHANGEABLE
Transformer,audio Frequency
3431-00-102-231545V42 INTERCHANGEABLE
Collet Body,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
1680-00-242-1129 INTERCHANGEABLE
Cap,coupling
4320-00-375-2878 INTERCHANGEABLE
Eccentric,shaft,pum
3455-00-395-000115154 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5895-00-991-8998 INTERCHANGEABLE
Parts Kit,dispenser
5975-01-066-64912123 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
5306-01-109-13262050-1 INTERCHANGEABLE
Bolt,eye
Buckeye Forge Inc
4820-01-186-87232050-1 INTERCHANGEABLE
Cartridge,relief Valve
Droitcour Co
5340-01-314-8107B205010 INTERCHANGEABLE
Boot,dust and Moisture Seal
Haldex Brake Products Corporation
Cross-Reference Index
Part NumberManufacturer
20501 Jpi Transportation Products Inc (USA)
637008 Marine Engine Specialties Div of Mesco Tectonics Inc (USA)
7371171 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
637008 PRIMARY Am General Llc (USA)
GPW6338A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
GPW6338A Ford Motor Company (USA)
Related Parts
5950-00-003-4652INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3431-00-102-2315INTERCHANGEABLE
COLLET BODY,WELDING TORCH
45V42
1680-00-242-1129INTERCHANGEABLE
CAP,COUPLING
4320-00-375-2878INTERCHANGEABLE
ECCENTRIC,SHAFT,PUM
3455-00-395-0001INTERCHANGEABLE
CUTTER,MILLING,END
15154
5895-00-991-8998INTERCHANGEABLE
PARTS KIT,DISPENSER
5975-01-066-6491INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2123
5306-01-109-1326INTERCHANGEABLE
BOLT,EYE
2050-1
4820-01-186-8723INTERCHANGEABLE
CARTRIDGE,RELIEF VALVE
2050-1
5340-01-314-8107INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
B205010
6510-01-643-8025INTERCHANGEABLE
DRESSING,BARRIER
20501
6515-01-649-9420INTERCHANGEABLE
MOUTHPIECE,SPIROMETER
2050-1

Frequently Asked Questions

What is NSN 3120-00-737-1171?

NSN 3120-00-737-1171 is a Bearing Half,sleeve, manufactured by Am General Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-737-1171?

NSN 3120-00-737-1171 has 6 cross-referenced part numbers: 20501 (Jpi Transportation Products Inc), 637008 (Marine Engine Specialties Div of Mesco Tectonics Inc), 7371171 (U S Army Tank Automotive Command Amsta-Im-Mm), 637008 (Am General Llc), GPW6338A (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 1 more.

What NSN replaces 3120-00-737-1171?

There are 12 known substitutes for 3120-00-737-1171: 5950-00-003-4652, 3431-00-102-2315, 1680-00-242-1129 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 637008?

Key specifications for 637008: Overall Length: 1.9190 INCHES MINIMUM AND 1.9210 INCHES MAXIMUM IN; Left Flange Width: 0.0860 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN; Right Flange Outside Diameter: 3.1250 INCHES NOMINAL IN; Left Flange Outside Diameter: 3.1250 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-737-1171 still in active supply?

NSN 3120-00-737-1171 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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