PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103450Bushing,sleeve

Triumph Thermal Systems - Maryland, Inc. · NSN 3120-00-677-8426 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-677-8426 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-677-8426. Primary manufacturer part number: 103450.
Features
  • Bushing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
Applications
  • Industrial machinery bearing replacement
  • Motor and pump shaft assemblies
  • HVAC blower and fan assemblies
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-677-8426, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 9 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-677-8426
Primary Part Number103450
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Flange Outside Diameter0.9700 INCHES MINIMUM AND 1.0300 INCHES MAXIMUM IN
Flange Width0.1800 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-014-5804103450 INTERCHANGEABLE
Gear Cluster
Astronautics Corporation of America
5950-00-677-3345103450 INTERCHANGEABLE
Transformer,pulse
Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions
5905-01-378-8065704AS9457-2 INTERCHANGEABLE
Resistor Network,fixed,film
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6650-01-479-538613027735-5 INTERCHANGEABLE
Anti-Reflection Device,optical I
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5340-01-656-3656103450 INTERCHANGEABLE
Plate,mounting
Trimble Inc Dba Trimble Navigation
Cross-Reference Index
Part NumberManufacturer
103450 Triumph Thermal Systems - Maryland, Inc. (USA)
103450 Defense & Development Enterprises Llc (USA)
Related Parts
3020-00-014-5804INTERCHANGEABLE
GEAR CLUSTER
103450
5950-00-677-3345INTERCHANGEABLE
TRANSFORMER,PULSE
103450
5905-01-378-8065INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
704AS9457-2
6650-01-479-5386INTERCHANGEABLE
ANTI-REFLECTION DEVICE,OPTICAL I
13027735-5
5340-01-656-3656INTERCHANGEABLE
PLATE,MOUNTING
103450

Frequently Asked Questions

What is NSN 3120-00-677-8426?

NSN 3120-00-677-8426 is a Bushing,sleeve, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-677-8426?

NSN 3120-00-677-8426 has 2 cross-referenced part numbers: 103450 (Triumph Thermal Systems - Maryland, Inc.), 103450 (Defense & Development Enterprises Llc).

What NSN replaces 3120-00-677-8426?

There are 5 known substitutes for 3120-00-677-8426: 3020-00-014-5804, 5950-00-677-3345, 5905-01-378-8065 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103450?

Key specifications for 103450: Overall Length: 0.5410 INCHES MINIMUM AND 0.5460 INCHES MAXIMUM IN; Corner Shape: SQUARE INSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 10 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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