The Plug,threaded, cataloged under National Stock Number 4920-00-656-3158, 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 Parker-Hannifin Corporation Div Gas Turbine Fuel Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Plug,threaded |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems (CAGE 09523) |
| Parameter | Value |
|---|---|
| NSN | 4920-00-656-3158 |
| Primary Part Number | T56976 |
| Item Name | Plug,threaded |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| T56976 PRIMARY | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems (USA) |
| Reference | Meaning |
|---|---|
| T56976 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| T56976 | 5/9 Secondary reference Bendix Corp the |
NSN 4920-00-656-3158 is a Plug,threaded, manufactured by Parker-Hannifin Corporation Div Gas Turbine Fuel Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-656-3158 has 1 manufacturer part number on file: T56976 (Parker-Hannifin Corporation Div Gas Turbine Fuel Systems).
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 4920-00-656-3158 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.