The Filler Neck,aircraft Components, cataloged under National Stock Number 1680-01-579-8765, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-01-579-8765 |
| Item Name | Filler Neck,aircraft Components |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Aircraft Model Number | UH-1 |
| Outside Diameter | 3.120 INCHES NOMINAL IN |
| Specific Use | Y DUCT ASSY, CABIN HEAT DEFROST |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 204-070-371-035 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-579-8765 is a Filler Neck,aircraft Components, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-579-8765: Aircraft Model Number: UH-1; Outside Diameter: 3.120 INCHES NOMINAL IN; Overall Length: 6.420 INCHES NOMINAL IN; Specific Use: Y DUCT ASSY, CABIN HEAT DEFROST. 5 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 1680-01-579-8765 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.