PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB545Bushing,sleeve

Bar-Sto Precision Machine · NSN 3120-01-373-6986 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-373-6986 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-373-6986. Primary manufacturer part number: BB545.
Features
  • Bushing,sleeve — FSC 3120
  • Material: STEEL CORROSION RESISTING OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Bar-Sto Precision Machine
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-373-6986, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bar-Sto Precision Machine. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3120-01-373-6986
Primary Part NumberBB545
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBar-Sto Precision Machine
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2920-00-367-3748CA522 INTERCHANGEABLE
Cam
United Technologies Corp Electro Systems Inc
3110-00-554-298311291 INTERCHANGEABLE
Bearing,ball,annular
Dressta North America Ltd
Cross-Reference Index
Part NumberManufacturer
BB545 PRIMARY Bar-Sto Precision Machine (USA)
Related Parts
2920-00-367-3748INTERCHANGEABLE
CAM
CA522
3110-00-554-2983INTERCHANGEABLE
BEARING,BALL,ANNULAR
11291

Frequently Asked Questions

What is NSN 3120-01-373-6986?

NSN 3120-01-373-6986 is a Bushing,sleeve, manufactured by Bar-Sto Precision Machine, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-373-6986?

NSN 3120-01-373-6986 has 1 cross-referenced part number: BB545 (Bar-Sto Precision Machine).

What NSN replaces 3120-01-373-6986?

There are 2 known substitutes for 3120-01-373-6986: 2920-00-367-3748, 3110-00-554-2983. Verify interchangeability with system specifications before substitution.

What are the specifications of BB545?

Key specifications for BB545: Material: STEEL CORROSION RESISTING OVERALL; End Item Identification: 1005-01-370-7353,PISTOL,MEUSOC,.45 CALIBER. 2 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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