FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment
Government record, cited
Also searched as4920-01-021-2931 ·
4920010212931 ·
NIIN 010212931 ·
01-021-2931 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment
Nearby stock numbers← 4920-01-021-2930
·
4920-01-021-2933 Adapter, Test →
Features
Fixture Set,aircraft Maintenance — FSC 4920
FSC Application Data: SECONDARY POWER SUBSYSTEM
Supplementary Features: COMPANY NAME-HOLDER AND DRIVER, BEARING
Reference Data and Literature: SERD NO. 9081
Functional Description: USED TO INSTALL BEARINGS ON ACCESSORY DRIVE GEARBOX CLUTH SHAFT DURING MAINTENANCE OF THE CENTRAL GEARBOX
Identification
NSN: 4920-01-021-2931
NIIN: 010212931
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
General Description
The Fixture Set,aircraft Maintenance, cataloged under National Stock Number 4920-01-021-2931, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
USED TO INSTALL BEARINGS ON ACCESSORY DRIVE GEARBOX CLUTH SHAFT DURING MAINTENANCE OF THE CENTRAL GEARBOX
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
293228-1
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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 4920-01-021-2931?
NSN 4920-01-021-2931 is a Fixture Set,aircraft Maintenance, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What are the specifications of 4920-01-021-2931?
Key specifications for 4920-01-021-2931: FSC Application Data: SECONDARY POWER SUBSYSTEM; Supplementary Features: COMPANY NAME-HOLDER AND DRIVER, BEARING; Reference Data and Literature: SERD NO. 9081; Special Features: ONE DRIVER 10.000 IN. X 2.500 IN. DIA, ONE HOLDER, 1.120 IN. X 5.000 IN. DIA IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-021-2931 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.
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.