PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GF4048-048Bearing,sleeve

Ggb Llc · NSN 3120-01-102-0377 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-102-0377 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-102-0377. Primary manufacturer part number: GF4048-048.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
  • Body Outside Diameter: 3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
  • Body Inside Diameter: 2.5055 INCHES MINIMUM AND 2.5095 INCHES MAXIMUM IN
  • Material: GLASS FIBER OUTER LAYER
  • 3 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-102-0377, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ggb Llc. Government technical data includes 6 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-102-0377
Primary Part NumberGF4048-048
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGgb Llc
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialPLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
Body Outside Diameter3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
Body Inside Diameter2.5055 INCHES MINIMUM AND 2.5095 INCHES MAXIMUM IN
MaterialGLASS FIBER OUTER LAYER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4810-00-177-8459206-076-037-001 INTERCHANGEABLE
Valve,linear,directional Control
Bell Textron Inc
4810-00-177-8471 INTERCHANGEABLE
Valve,linear,directional Control
5910-00-186-1653 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5220-00-213-019515431 INTERCHANGEABLE
Gage
Ashcroft Inc Dba Heise
3455-00-228-529894193 INTERCHANGEABLE
Cutter,milling,end
Jcorps Dba Lashundra Craig
9540-00-287-9421 INTERCHANGEABLE
Channel,structural
5330-00-469-530615431 INTERCHANGEABLE
Packing,preformed
Clayton Manufacturing Company
2530-01-026-9361GC3030 INTERCHANGEABLE
Chamber,air Brake
Haldex Brake Products Corporation
8145-01-124-075465700-85009-044 INTERCHANGEABLE
Shipping and Storage Container H
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5330-01-178-3752 INTERCHANGEABLE
Packing Assortment,preformed
Cross-Reference Index
Part NumberManufacturer
1543-1 Pettibone Llc (USA)
GF4048-048 PRIMARY Ggb Llc (USA)
GF4048-48 Ggb Llc (USA)
Related Parts
4810-00-177-8459INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
206-076-037-001
4810-00-177-8471INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5910-00-186-1653INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5220-00-213-0195INTERCHANGEABLE
GAGE
15431
3455-00-228-5298INTERCHANGEABLE
CUTTER,MILLING,END
94193
9540-00-287-9421INTERCHANGEABLE
CHANNEL,STRUCTURAL
5330-00-469-5306INTERCHANGEABLE
PACKING,PREFORMED
15431
2530-01-026-9361INTERCHANGEABLE
CHAMBER,AIR BRAKE
GC3030
8145-01-124-0754INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER H
65700-85009-044
5330-01-178-3752INTERCHANGEABLE
PACKING ASSORTMENT,PREFORMED
3110-01-280-6459INTERCHANGEABLE
BEARING,ROLLER,NEEDLE

Frequently Asked Questions

What is NSN 3120-01-102-0377?

NSN 3120-01-102-0377 is a Bearing,sleeve, manufactured by Ggb Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-102-0377?

NSN 3120-01-102-0377 has 3 cross-referenced part numbers: 1543-1 (Pettibone Llc), GF4048-048 (Ggb Llc), GF4048-48 (Ggb Llc).

What NSN replaces 3120-01-102-0377?

There are 11 known substitutes for 3120-01-102-0377: 4810-00-177-8459, 4810-00-177-8471, 5910-00-186-1653 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GF4048-048?

Key specifications for GF4048-048: Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER; Body Outside Diameter: 3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN. 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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