PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-330Bearing,sleeve

Dresser Industries Inc Leroi Div · NSN 3120-00-496-6596 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-496-6596 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-496-6596. Primary manufacturer part number: 21-330.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY OVERALL
  • Body Inside Diameter: 1.4970 INCHES MINIMUM AND 1.4990 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 1.7530 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-496-6596, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-496-6596
Primary Part Number21-330
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Body Inside Diameter1.4970 INCHES MINIMUM AND 1.4990 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter1.7530 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5360-00-134-865921330 INTERCHANGEABLE
Spring,helical,compression
Barksdale, Inc
6850-00-163-579221330 INTERCHANGEABLE
Sealer,chemical
Nd Industries Inc Div Nd Industries, Inc. - Michigan Division
2910-00-570-96517041861 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
1680-00-700-8373PM21330-4 INTERCHANGEABLE
Grip Assembly,controller,aircraf
Unison Industries Llc
3040-00-937-4034 INTERCHANGEABLE
Extension Shaft
5935-01-075-38905181-2241-00 INTERCHANGEABLE
Adapter,connector
Tyco Electronics Corp
5330-01-277-231721330 INTERCHANGEABLE
Gasket and Seal Set
Landoll Company, Llc
4820-01-419-255521330-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5310-01-533-941421330 INTERCHANGEABLE
Washer,flat
Charles Reed Knight Jr Dba Knight's Armament Company
1660-01-706-23372133-0 INTERCHANGEABLE
Diffuser,air,aircraft Heating an
Aerospace Lighting Corporation
Cross-Reference Index
Part NumberManufacturer
21-330 PRIMARY Dresser Industries Inc Leroi Div (USA)
11-28 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
5360-00-134-8659INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21330
6850-00-163-5792INTERCHANGEABLE
SEALER,CHEMICAL
21330
2910-00-570-9651INTERCHANGEABLE
CARBURETOR,FLOAT
7041861
1680-00-700-8373INTERCHANGEABLE
GRIP ASSEMBLY,CONTROLLER,AIRCRAF
PM21330-4
3040-00-937-4034INTERCHANGEABLE
EXTENSION SHAFT
5935-01-075-3890INTERCHANGEABLE
ADAPTER,CONNECTOR
5181-2241-00
5330-01-277-2317INTERCHANGEABLE
GASKET AND SEAL SET
21330
4820-01-419-2555INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21330-001
5310-01-533-9414INTERCHANGEABLE
WASHER,FLAT
21330
1660-01-706-2337INTERCHANGEABLE
DIFFUSER,AIR,AIRCRAFT HEATING AN
2133-0

Frequently Asked Questions

What is NSN 3120-00-496-6596?

NSN 3120-00-496-6596 is a Bearing,sleeve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-496-6596?

NSN 3120-00-496-6596 has 2 cross-referenced part numbers: 21-330 (Dresser Industries Inc Leroi Div), 11-28 (Dresser Industries Inc Leroi Div).

What NSN replaces 3120-00-496-6596?

There are 10 known substitutes for 3120-00-496-6596: 5360-00-134-8659, 6850-00-163-5792, 2910-00-570-9651 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-330?

Key specifications for 21-330: Overall Length: 1.1875 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Body Inside Diameter: 1.4970 INCHES MINIMUM AND 1.4990 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-496-6596 still in active supply?

NSN 3120-00-496-6596 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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