PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21298Bushing,sleeve

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 3120-00-978-3551 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-978-3551 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-978-3551. Primary manufacturer part number: 21298.
Features
  • Bushing,sleeve — FSC 3120
  • Body Inside Diameter: 1.3125 INCHES NOMINAL IN
  • Material: COPPER ALLOY 932 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.7500 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-978-3551, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-978-3551
Primary Part Number21298
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Body Inside Diameter1.3125 INCHES NOMINAL IN
MaterialCOPPER ALLOY 932 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.7500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-019-459410545437 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
3120-01-322-2897 INTERCHANGEABLE
Bearing Set,sleeve
Cross-Reference Index
Part NumberManufacturer
21298 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
21298 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5905-00-019-4594INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
10545437
3120-01-322-2897INTERCHANGEABLE
BEARING SET,SLEEVE

Frequently Asked Questions

What is NSN 3120-00-978-3551?

NSN 3120-00-978-3551 is a Bushing,sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-978-3551?

NSN 3120-00-978-3551 has 2 cross-referenced part numbers: 21298 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 21298 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 3120-00-978-3551?

There are 2 known substitutes for 3120-00-978-3551: 5905-00-019-4594, 3120-01-322-2897. Verify interchangeability with system specifications before substitution.

What are the specifications of 21298?

Key specifications for 21298: Body Inside Diameter: 1.3125 INCHES NOMINAL IN; Overall Length: 4.5625 INCHES NOMINAL IN; Material: COPPER ALLOY 932 OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 7 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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