The Filler Assembly,nose Gearbox, cataloged under National Stock Number 1680-01-474-0177, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-474-0177 |
| Item Name | Filler Assembly,nose Gearbox |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Surface Treatment | ANODIZE |
| 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 |
|---|---|
| 2A1962 | 3/2 Design control — primary reference U.S. Government activity |
| K874561-001 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1680-01-474-0177 is a Filler Assembly,nose Gearbox, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-474-0177: Overall Height: 3.790 INCHES NOMINAL IN; Overall Width: 3.940 INCHES NOMINAL IN; Special Features: INCLUDES ONE FILLTER HOUSING P/N K874561-011, ONE SCREEN P/N K874561-013, AND ONE CAP P/N K874561-015; ANODIZE PER MIL-A-8625, TYPE II, CLASS I; PRESSURE TESTED AT 10 PSI FOR LEAKAGE; TWO 0.281 IN. DIA. HOLES USED FOR MOUNTING IN; Surface Treatment: ANODIZE. 2 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 1680-01-474-0177 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.