PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13603Bearing,sleeve

Triumph Engine Control Systems Llc · NSN 3120-00-090-1963 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-090-1963 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-090-1963. Primary manufacturer part number: 13603.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY
  • Surface Finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Hardness Rating: 55.0 ROCKWELL C NOMINAL OVERALL
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-090-1963, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 19 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-090-1963
Primary Part Number13603
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
Corner ShapeSQUARE INSIDE RIGHT CORNER
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
Surface Finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Hardness Rating55.0 ROCKWELL C NOMINAL OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface Finish125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Surface Finish125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Body Inside Diameter0.3130 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
Surface Finish250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Flange Width0.1900 INCHES NOMINAL IN
Flange Outside Diameter0.7500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Corner ShapeSQUARE INSIDE LEFT CORNER
Body Outside Diameter0.3400 INCHES MINIMUM AND 0.3410 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2530-00-462-35851-3603 INTERCHANGEABLE
Hub and Drum Assembly
Pdi Ground Support Systems, Inc.
6625-00-817-7832P36000008 INTERCHANGEABLE
Filter,light,cathode Ray Tube
Entron Industries Limited Partnership Dba Entron Industries Property Div
4820-01-121-895213603 INTERCHANGEABLE
Guide
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6625-01-347-175913603 INTERCHANGEABLE
Cover,electrical-Electronic Test
Curtis Instruments, Inc. Dba Curtis Pmc Division
5998-01-542-6635436-7403895-1 INTERCHANGEABLE
Circuit Card Assembly
Ap Labs, Inc.
2530-01-605-886813603 INTERCHANGEABLE
Piston,hydraulic Brake
DP Manufacturing Inc.
4820-01-679-911360-4547 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker Hannifin Corporation Div Village Marine Tech
4610-01-679-911640012026 INTERCHANGEABLE
Filter Element,water Purificatio
Parker Hannifin Corporation Div Village Marine Tech
4330-01-679-91660713020273 INTERCHANGEABLE
Filter Body,fluid
Parker Hannifin Corporation Div Village Marine Tech
4610-01-679-916913603 INTERCHANGEABLE
Water Purification Unit,frame Mo
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
13603 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
2530-00-462-3585INTERCHANGEABLE
HUB AND DRUM ASSEMBLY
1-3603
6625-00-817-7832INTERCHANGEABLE
FILTER,LIGHT,CATHODE RAY TUBE
P36000008
4820-01-121-8952INTERCHANGEABLE
GUIDE
13603
6625-01-347-1759INTERCHANGEABLE
COVER,ELECTRICAL-ELECTRONIC TEST
13603
5998-01-542-6635INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
436-7403895-1
2530-01-605-8868INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
13603
4820-01-679-9113INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
60-4547
4610-01-679-9116INTERCHANGEABLE
FILTER ELEMENT,WATER PURIFICATIO
40012026
4330-01-679-9166INTERCHANGEABLE
FILTER BODY,FLUID
0713020273
4610-01-679-9169INTERCHANGEABLE
WATER PURIFICATION UNIT,FRAME MO
13603
4610-01-679-9210INTERCHANGEABLE
FILTER ELEMENT,WATER PURIFICATIO
33-0255PH

Frequently Asked Questions

What is NSN 3120-00-090-1963?

NSN 3120-00-090-1963 is a Bearing,sleeve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-090-1963?

NSN 3120-00-090-1963 has 1 cross-referenced part number: 13603 (Triumph Engine Control Systems Llc).

What NSN replaces 3120-00-090-1963?

There are 11 known substitutes for 3120-00-090-1963: 2530-00-462-3585, 6625-00-817-7832, 4820-01-121-8952 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13603?

Key specifications for 13603: Corner Shape: SQUARE INSIDE RIGHT CORNER; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Hardness Rating: 55.0 ROCKWELL C NOMINAL OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-090-1963 still in active supply?

NSN 3120-00-090-1963 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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