The Tool Gland Assembly, cataloged under National Stock Number 4920-01-493-2018, 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3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-493-2018 |
| Item Name | Tool Gland Assembly |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | TWO PIECES HELD TOGETHER W/THREE EQUALLY SPACED 10-32 X 1/4 CONE POINT SET SCREWS;5.0IN LONG CYL HANDLE IS KNURLED FOREASE OF GRIPPING;OPPO END IS FLANGED TO A 2.12IN DIAM THAT FITS INSIDE ANOTHER INTERNALLY THREADED CYL HAS A2.5IN OUTSIDE DIAM W/2.25 INTERNAL THREADS AT ONE END TO ENGAGE GLAND ASSY IN |
| Material | STEEL |
| Thread Size and Series/type Designator | 2.25-12-3B UNJC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 87001419-PFTL | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-493-2018 is a Tool Gland Assembly, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-493-2018: Overall Height: 2.500 INCHES NOMINAL IN; General Characteristics Item Description: TWO PIECES HELD TOGETHER W/THREE EQUALLY SPACED 10-32 X 1/4 CONE POINT SET SCREWS;5.0IN LONG CYL HANDLE IS KNURLED FOREASE OF GRIPPING;OPPO END IS FLANGED TO A 2.12IN DIAM THAT FITS INSIDE ANOTHER INTERNALLY THREADED CYL HAS A2.5IN OUTSIDE DIAM W/2.25 INTERNAL THREADS AT ONE END TO ENGAGE GLAND ASSY IN; Overall Length: 5.800 INCHES NOMINAL IN; Overall Width: 2.500 INCHES NOMINAL IN. 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 4920-01-493-2018 has DEMIL Code B. 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.