PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3M33Bushing,sleeve

Tuthill Corporation Dba Tuthill Pump Group · NSN 3120-00-661-8439 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-8439 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-8439. Primary manufacturer part number: 3M33.
Features
  • Bushing,sleeve — FSC 3120
  • Body Outside Diameter: 1.1885 INCHES MINIMUM AND 1.1905 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 988 OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.9950 INCHES MINIMUM AND 0.9970 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • 2 verified cross-references
  • Primary manufacturer: Tuthill Corporation Dba Tuthill Pump Group
Applications
  • Applications requiring Copper Alloy 988 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-661-8439, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Tuthill Corporation Dba Tuthill Pump Group. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-8439
Primary Part Number3M33
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTuthill Corporation Dba Tuthill Pump Group
StatusACTIVE
Body Outside Diameter1.1885 INCHES MINIMUM AND 1.1905 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 988 OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.9950 INCHES MINIMUM AND 0.9970 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3456-00-332-03763M33 INTERCHANGEABLE
Mandrel,roller Tube Expander
Babcock & Wilcox Co
5306-00-619-52023M33-4-4A INTERCHANGEABLE
Bolt,close Tolerance
The Boeing Company Div Defense
5970-00-665-2903 INTERCHANGEABLE
Tape,insulation,electrical
Cross-Reference Index
Part NumberManufacturer
3M33 PRIMARY Tuthill Corporation Dba Tuthill Pump Group (USA)
886PC33 Tuthill Corporation Dba Tuthill Pump Group (USA)
Related Parts
3456-00-332-0376INTERCHANGEABLE
MANDREL,ROLLER TUBE EXPANDER
3M33
5306-00-619-5202INTERCHANGEABLE
BOLT,CLOSE TOLERANCE
3M33-4-4A
5970-00-665-2903INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL

Frequently Asked Questions

What is NSN 3120-00-661-8439?

NSN 3120-00-661-8439 is a Bushing,sleeve, manufactured by Tuthill Corporation Dba Tuthill Pump Group, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-8439?

NSN 3120-00-661-8439 has 2 cross-referenced part numbers: 3M33 (Tuthill Corporation Dba Tuthill Pump Group), 886PC33 (Tuthill Corporation Dba Tuthill Pump Group).

What NSN replaces 3120-00-661-8439?

There are 3 known substitutes for 3120-00-661-8439: 3456-00-332-0376, 5306-00-619-5202, 5970-00-665-2903. Verify interchangeability with system specifications before substitution.

What are the specifications of 3M33?

Key specifications for 3M33: Body Outside Diameter: 1.1885 INCHES MINIMUM AND 1.1905 INCHES MAXIMUM IN; Material: COPPER ALLOY 988 OVERALL; Overall Length: 0.6719 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS. 6 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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