PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KMW959502ABearing,washer,thrust

Bird-Johnson Propeller Company, Llc · NSN 3120-01-548-3778 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-548-3778 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-548-3778. Primary manufacturer part number: KMW959502A.
Features
  • Bearing,washer,thrust — FSC 3120
  • 7 verified cross-references
  • Primary manufacturer: Bird-Johnson Propeller Company, Llc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-548-3778, 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 7 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,washer,thrust
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersRolls-Royce Ab (CAGE SL231); Kongsberg Maritime Sweden Ab (CAGE A208N); Bird-Johnson Propeller Company, Llc (CAGE 07309)
Technical Specifications
ParameterValue
NSN3120-01-548-3778
Primary Part NumberKMW959502A
Item NameBearing,washer,thrust
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
3120-01-548-3779133720A INTERCHANGEABLE
Bearing,sleeve
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 8 Rolls-Royce Ab (SWE)
133690 Rolls-Royce Ab (SWE)
133690 ITEM NO 8 Kongsberg Maritime Sweden Ab (SWE)
959502A Rolls-Royce Ab (SWE)
959502A Bird-Johnson Propeller Company, Llc (USA)
959502A Kongsberg Maritime Sweden Ab (SWE)
KMW959502A PRIMARY Bird-Johnson Propeller Company, Llc (USA)
Related Parts
5998-00-116-7538INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
133690
5330-00-186-4945INTERCHANGEABLE
GASKET
3120-01-548-3779INTERCHANGEABLE
BEARING,SLEEVE
133720A
3120-01-548-6412INTERCHANGEABLE
BEARING,WASHER,THRUST
KMW024412

Frequently Asked Questions

What is NSN 3120-01-548-3778?

NSN 3120-01-548-3778 is a Bearing,washer,thrust, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-548-3778?

NSN 3120-01-548-3778 has 7 cross-referenced part numbers: 133690 ITEM NO 8 (Rolls-Royce Ab), 133690 (Rolls-Royce Ab), 133690 ITEM NO 8 (Kongsberg Maritime Sweden Ab), 959502A (Rolls-Royce Ab), 959502A (Bird-Johnson Propeller Company, Llc) and 2 more.

What NSN replaces 3120-01-548-3778?

There are 4 known substitutes for 3120-01-548-3778: 5998-00-116-7538, 5330-00-186-4945, 3120-01-548-3779 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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