PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B306Bushing,sleeve

O & S Acquisition Llc Dba O & S America Llc · NSN 3120-00-741-1228 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-741-1228 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-741-1228. Primary manufacturer part number: B306.
Features
  • Bushing,sleeve — FSC 3120
  • Body Outside Diameter: 0.8770 INCHES MINIMUM AND 0.8830 INCHES MAXIMUM IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
  • 6 verified cross-references
  • Primary manufacturer: O & S Acquisition Llc Dba O & S America Llc
Applications
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-741-1228, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is O & S Acquisition Llc Dba O & S America Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-741-1228
Primary Part NumberB306
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerO & S Acquisition Llc Dba O & S America Llc
StatusACTIVE
Body Outside Diameter0.8770 INCHES MINIMUM AND 0.8830 INCHES MAXIMUM IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3441-00-452-2243 INTERCHANGEABLE
Bending Machine,pipe and Conduit
6625-00-764-2944B-30-6 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
3110-00-903-3252B306 INTERCHANGEABLE
Bearing,roller,journal
Regal Beloit America, Inc. Dba Rollway Bearing
7025-01-468-619579C0054-00 INTERCHANGEABLE
Terminal,data Processing
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
1005-01-722-8144B306 INTERCHANGEABLE
Control Box,electrical,armament
Butler National Corporation
Cross-Reference Index
Part NumberManufacturer
2278832 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
B306 PRIMARY O & S Acquisition Llc Dba O & S America Llc (USA)
2278832 General Motors Llc Dba General Motors Llc (USA)
7411228 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
35-2278832 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
35-2278832 Tvh Parts Co. (USA)
Related Parts
3441-00-452-2243INTERCHANGEABLE
BENDING MACHINE,PIPE AND CONDUIT
6625-00-764-2944INTERCHANGEABLE
LEAD,TEST
B-30-6
3110-00-903-3252INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
B306
7025-01-468-6195INTERCHANGEABLE
TERMINAL,DATA PROCESSING
79C0054-00
1005-01-722-8144INTERCHANGEABLE
CONTROL BOX,ELECTRICAL,ARMAMENT
B306

Frequently Asked Questions

What is NSN 3120-00-741-1228?

NSN 3120-00-741-1228 is a Bushing,sleeve, manufactured by O & S Acquisition Llc Dba O & S America Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-741-1228?

NSN 3120-00-741-1228 has 6 cross-referenced part numbers: 2278832 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), B306 (O & S Acquisition Llc Dba O & S America Llc), 2278832 (General Motors Llc Dba General Motors Llc), 7411228 (U S Army Tank Automotive Command Amsta-Im-Mm), 35-2278832 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the) and 1 more.

What NSN replaces 3120-00-741-1228?

There are 5 known substitutes for 3120-00-741-1228: 3441-00-452-2243, 6625-00-764-2944, 3110-00-903-3252 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B306?

Key specifications for B306: Body Outside Diameter: 0.8770 INCHES MINIMUM AND 0.8830 INCHES MAXIMUM IN; Material: PLASTIC POLYAMIDE NYLON OVERALL; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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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