PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GBSF12-001Bearing,sleeve

Galaxy Die and Engineering, Inc. · NSN 3120-01-346-3859 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-346-3859 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-346-3859. Primary manufacturer part number: GBSF12-001.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.7540 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYAMIDE NYLON AND PLASTIC PHENOLIC OVERALL
  • Material Document and Classification: MIL-B-81934 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Flange Width: 0.1250 INCHES NOMINAL IN
  • Flange Outside Diameter: 1.2500 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene and Plastic Polyamide Nylon and Plastic Phenolic Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-346-3859, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Galaxy Die and Engineering, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 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
NSN3120-01-346-3859
Primary Part NumberGBSF12-001
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGalaxy Die and Engineering, Inc.
StatusACTIVE
Body Outside Diameter1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
Body Inside Diameter0.7540 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYAMIDE NYLON AND PLASTIC PHENOLIC OVERALL
Material Document and ClassificationMIL-B-81934 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Flange Width0.1250 INCHES NOMINAL IN
Flange Outside Diameter1.2500 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-01-345-5698803-1623943 PC 14 INTERCHANGEABLE
Shaft,shouldered
Naval Sea Systems Command
3120-01-519-0936GBSF-12-001 INTERCHANGEABLE
Bearing,sleeve
Galaxy Die and Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
803-1623055 PC 17 Naval Ship Systems Command (USA)
803-5184146 PC Naval Sea Systems Command (USA)
803-1623943 PIECE 56 Naval Sea Systems Command (USA)
GBSF12-001 PRIMARY Galaxy Die and Engineering, Inc. (USA)
KJB286512B PRIMARY Kamatics Corporation (USA)
803-5184173 PIECE 26 Naval Sea Systems Command (USA)
803-1623943 PC Naval Sea Systems Command (USA)
803-1623054 PC 70 Naval Ship Systems Command (USA)
KJB286512B Naval Sea Systems Command (USA)
Related Parts
3040-01-345-5698INTERCHANGEABLE
SHAFT,SHOULDERED
803-1623943 PC 14
3120-01-519-0936INTERCHANGEABLE
BEARING,SLEEVE
GBSF-12-001

Frequently Asked Questions

What is NSN 3120-01-346-3859?

NSN 3120-01-346-3859 is a Bearing,sleeve, manufactured by Galaxy Die and Engineering, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-346-3859?

NSN 3120-01-346-3859 has 9 cross-referenced part numbers: 803-1623055 PC 17 (Naval Ship Systems Command), 803-5184146 PC (Naval Sea Systems Command), 803-1623943 PIECE 56 (Naval Sea Systems Command), GBSF12-001 (Galaxy Die and Engineering, Inc.), KJB286512B (Kamatics Corporation) and 4 more.

What NSN replaces 3120-01-346-3859?

There are 2 known substitutes for 3120-01-346-3859: 3040-01-345-5698, 3120-01-519-0936. Verify interchangeability with system specifications before substitution.

What are the specifications of GBSF12-001?

Key specifications for GBSF12-001: Body Outside Diameter: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN; Body Inside Diameter: 0.7540 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYAMIDE NYLON AND PLASTIC PHENOLIC OVERALL; Material Document and Classification: MIL-B-81934 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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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