PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

133720ABearing,sleeve

Bird-Johnson Propeller Company, Llc · NSN 3120-01-548-3779 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-548-3779 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-548-3779. Primary manufacturer part number: 133720A.
Features
  • Bearing,sleeve — FSC 3120
  • 6 verified cross-references
  • Primary manufacturer: Bird-Johnson Propeller Company, Llc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-548-3779, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bird-Johnson Propeller Company, Llc. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersRolls-Royce Ab (CAGE SL231); Bird-Johnson Propeller Company, Llc (CAGE 07309); Kongsberg Maritime Sweden Ab (CAGE A208N)
Technical Specifications
ParameterValue
NSN3120-01-548-3779
Primary Part Number133720A
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBird-Johnson Propeller Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5998-00-116-7538133690 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-186-4945 INTERCHANGEABLE
Gasket
3120-01-548-3778KMW959502A INTERCHANGEABLE
Bearing,washer,thrust
Bird-Johnson Propeller Company, Llc
3120-01-548-6412KMW024412 INTERCHANGEABLE
Bearing,washer,thrust
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
133690 ITEM NO 17 Rolls-Royce Ab (SWE)
133720A PRIMARY Bird-Johnson Propeller Company, Llc (USA)
KMW133720A Bird-Johnson Propeller Company, Llc (USA)
133720A Rolls-Royce Ab (SWE)
133720A Kongsberg Maritime Sweden Ab (SWE)
133690 Rolls-Royce Ab (SWE)
Related Parts
5998-00-116-7538INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
133690
5330-00-186-4945INTERCHANGEABLE
GASKET
3120-01-548-3778INTERCHANGEABLE
BEARING,WASHER,THRUST
KMW959502A
3120-01-548-6412INTERCHANGEABLE
BEARING,WASHER,THRUST
KMW024412

Frequently Asked Questions

What is NSN 3120-01-548-3779?

NSN 3120-01-548-3779 is a Bearing,sleeve, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-548-3779?

NSN 3120-01-548-3779 has 6 cross-referenced part numbers: 133690 ITEM NO 17 (Rolls-Royce Ab), 133720A (Bird-Johnson Propeller Company, Llc), KMW133720A (Bird-Johnson Propeller Company, Llc), 133720A (Rolls-Royce Ab), 133720A (Kongsberg Maritime Sweden Ab) and 1 more.

What NSN replaces 3120-01-548-3779?

There are 4 known substitutes for 3120-01-548-3779: 5998-00-116-7538, 5330-00-186-4945, 3120-01-548-3778 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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