PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121648-2Bushing,sleeve

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 3120-01-492-6229 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-492-6229 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-492-6229. Primary manufacturer part number: 121648-2.
Features
  • Bushing,sleeve — FSC 3120
  • Material Document and Classification: QQ-C-465,ALLOY642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: BLANK, EXTERNAL FLANGE ONE END
  • Body Inside Diameter: 0.7500 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.0633 INCHES MINIMUM AND 1.0638 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: ALUMINUM AND COPPER ALLOY OVERALL
  • Flange Width: 0.2500 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum and Copper Alloy Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-492-6229, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 8 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
NSN3120-01-492-6229
Primary Part Number121648-2
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Material Document and ClassificationQQ-C-465,ALLOY642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorBLANK, EXTERNAL FLANGE ONE END
Body Inside Diameter0.7500 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
Body Outside Diameter1.0633 INCHES MINIMUM AND 1.0638 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
MaterialALUMINUM AND COPPER ALLOY OVERALL
Flange Width0.2500 INCHES NOMINAL IN
Flange Outside Diameter1.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6610-00-171-5015113657 INTERCHANGEABLE
Mask,prism,upper
Astronautics Corporation of America
5930-01-310-9147121648 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
3120-01-492-6224121648-1 INTERCHANGEABLE
Bushing,sleeve
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
121648 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
121648-2 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6610-00-171-5015INTERCHANGEABLE
MASK,PRISM,UPPER
113657
5930-01-310-9147INTERCHANGEABLE
SWITCH,FLOW
121648
3120-01-492-6224INTERCHANGEABLE
BUSHING,SLEEVE
121648-1

Frequently Asked Questions

What is NSN 3120-01-492-6229?

NSN 3120-01-492-6229 is a Bushing,sleeve, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-492-6229?

NSN 3120-01-492-6229 has 2 cross-referenced part numbers: 121648 (L3harris Technologies, Inc. Div Space and Airborne Systems), 121648-2 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 3120-01-492-6229?

There are 3 known substitutes for 3120-01-492-6229: 6610-00-171-5015, 5930-01-310-9147, 3120-01-492-6224. Verify interchangeability with system specifications before substitution.

What are the specifications of 121648-2?

Key specifications for 121648-2: Material Document and Classification: QQ-C-465,ALLOY642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: MK-105,MOD-4,NACELLE LIFT MECHANISM; Style Designator: BLANK, EXTERNAL FLANGE ONE END; Body Inside Diameter: 0.7500 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN. 11 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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