NSN 4920-01-196-4326 · NIIN 011964326 · Part number R-TBD-2121
The Boeing Company Div Legacy Am&m · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 43999
Government record, cited
NSN 4920-01-196-4326 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-196-4326. Manufacturer of record part number: R-TBD-2121.
Also searched as4920-01-196-4326 ·
4920011964326 ·
NIIN 011964326 ·
01-196-4326 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 43999 · R-TBD-2121
Supplementary Features: COMPANY ITEM NAME-ADAPTER, MAINTENANCE, SPOILER BEARINGS
Functional Description: ADAPTER PROVIDES INTERFACE BETWEEN RAM AND SPOILER BEARING; IT IS RETAINED IN RAM BY A SPRING-LOADED BALL DETENT; A PILOT SHAFT AT THE BEARING END SLIPS INTO THE BEARING BORE TO PROVIDE ALIGNMENT
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 4920-01-196-4326
NIIN: 011964326
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: R-TBD-2121
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Adapter Assembly,interface Devic, cataloged under National Stock Number 4920-01-196-4326, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
COMPANY ITEM NAME-ADAPTER, MAINTENANCE, SPOILER BEARINGS
Functional Description
ADAPTER PROVIDES INTERFACE BETWEEN RAM AND SPOILER BEARING; IT IS RETAINED IN RAM BY A SPRING-LOADED BALL DETENT; A PILOT SHAFT AT THE BEARING END SLIPS INTO THE BEARING BORE TO PROVIDE ALIGNMENT
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-196-4326?
NSN 4920-01-196-4326 is a Adapter Assembly,interface Devic, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-196-4326?
NSN 4920-01-196-4326 has 1 manufacturer part number on file: R-TBD-2121 (The Boeing Company Div Legacy Am&m).
What are the specifications of R-TBD-2121?
Key specifications for R-TBD-2121: Supplementary Features: COMPANY ITEM NAME-ADAPTER, MAINTENANCE, SPOILER BEARINGS; Functional Description: ADAPTER PROVIDES INTERFACE BETWEEN RAM AND SPOILER BEARING; IT IS RETAINED IN RAM BY A SPRING-LOADED BALL DETENT; A PILOT SHAFT AT THE BEARING END SLIPS INTO THE BEARING BORE TO PROVIDE ALIGNMENT; End Item Identification: B-1B ACFT. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-196-4326 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 4920-01-196-4326?
NSN 4920-01-196-4326 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.