PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1784Bearing,sleeve

Aerosonic Llc · NSN 3120-00-409-1597 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-409-1597 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-409-1597. Primary manufacturer part number: 1784.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: CHAMFERED INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Body Outside Diameter: 0.0900 INCHES MINIMUM AND 0.0905 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.0182 INCHES MINIMUM AND 0.0185 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material Document and Classification: QQ-B-613,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-409-1597, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-409-1597
Primary Part Number1784
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAerosonic Llc
StatusCANCELLED
Corner ShapeCHAMFERED INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Outside Diameter0.0900 INCHES MINIMUM AND 0.0905 INCHES MAXIMUM IN
Body Inside Diameter0.0182 INCHES MINIMUM AND 0.0185 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Material Document and ClassificationQQ-B-613,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5315-00-014-115115C5030-202 INTERCHANGEABLE
Pin,straight,headless
Fairbanks Morse, Llc
6740-00-657-69031784 INTERCHANGEABLE
Adapter Assy,supply
Miller-Holzwarth Inc.
5940-00-672-0344332-14-04-022 INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5915-00-715-5520E-8026 INTERCHANGEABLE
Filter,radio Frequency Interfere
Whippany Actuation Systems, Llc
5950-00-771-48621798473REVA INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6680-00-864-8014X-1784 INTERCHANGEABLE
Counter,electrical
Bowmar Llc Dba Bowmar Instrument Corp
5905-00-933-69701784 INTERCHANGEABLE
Resistor,fixed,film
Ballantine Laboratories Inc
5950-01-029-0855101051 INTERCHANGEABLE
Transformer,power
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Cross-Reference Index
Part NumberManufacturer
M1784 Aerosonic Llc (USA)
M1784 Aerosonic Corp (USA)
1784 PRIMARY Aerosonic Llc (USA)
Related Parts
5315-00-014-1151INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
15C5030-202
6740-00-657-6903INTERCHANGEABLE
ADAPTER ASSY,SUPPLY
1784
5940-00-672-0344INTERCHANGEABLE
TERMINAL BOARD
332-14-04-022
5915-00-715-5520INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
E-8026
5950-00-771-4862INTERCHANGEABLE
TRANSFORMER,POWER
1798473REVA
6680-00-864-8014INTERCHANGEABLE
COUNTER,ELECTRICAL
X-1784
5905-00-933-6970INTERCHANGEABLE
RESISTOR,FIXED,FILM
1784
5950-01-029-0855INTERCHANGEABLE
TRANSFORMER,POWER
101051

Frequently Asked Questions

What is NSN 3120-00-409-1597?

NSN 3120-00-409-1597 is a Bearing,sleeve, manufactured by Aerosonic Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-409-1597?

NSN 3120-00-409-1597 has 3 cross-referenced part numbers: M1784 (Aerosonic Llc), M1784 (Aerosonic Corp), 1784 (Aerosonic Llc).

What NSN replaces 3120-00-409-1597?

There are 8 known substitutes for 3120-00-409-1597: 5315-00-014-1151, 6740-00-657-6903, 5940-00-672-0344 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1784?

Key specifications for 1784: Corner Shape: CHAMFERED INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Body Outside Diameter: 0.0900 INCHES MINIMUM AND 0.0905 INCHES MAXIMUM IN; Overall Length: 0.0450 INCHES MINIMUM AND 0.0480 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-409-1597 still in active supply?

NSN 3120-00-409-1597 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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