The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-203-1865, 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 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4920-01-203-1865 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Nominal Overall Diameter | 1.750 INCHES IN |
| Nominal Overall Length | 4.188 INCHES IN |
| Functional Description | INSTALLATION FIXTURE, ROTATING SEAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AKS-29002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-203-1865 is a Fixture,aircraft Maintenance, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-203-1865: Nominal Overall Diameter: 1.750 INCHES IN; Nominal Overall Length: 4.188 INCHES IN; Special Features: MATERIAL ALUMINUM AND STAINLESS STEEL; CONSISTS OF A SLEEVE AND A PUSHER; THE SLEEVE HAS A TAPERED INSIDE DIAMETER WHICH WILL COMPRESS THE LIP OF THE ROTATING SEAL TO FIT IN THE BORE OF THE SEAL HOUSING; THE PUSHER HAS A DRIVING SHOULDER DIAMETER OF 1.048 INCH AND A PILOT DIAMETER OF 0.875 INCH IN; Functional Description: INSTALLATION FIXTURE, ROTATING SEAL. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4920-01-203-1865 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.