The Base,alignment Indicator, cataloged under National Stock Number 1680-01-180-1899, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-180-1899 |
| Primary Part Number | L6311416-021 |
| Item Name | Base,alignment Indicator |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| FSC Application Data | ROTARY LAUNCHER DRIVE |
| General Characteristics Item Description | C/O 1 ALUM ALLOY PLATE PER QQ-A-250/4,COMP 2024-T351,2.440 IN. LG BY 0.625 IN. THK BY 0.661 IN. WD O/A;1 ALUM ALLOY PLATE PER QQ-A-250/4,COMP 2024-T351,1.400 IN. LG BY 0.625 IN. T K BY 0.781 IN. WD O/A IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L6311416-021 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 1680-01-180-1899 is a Base,alignment Indicator, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-180-1899 has 1 manufacturer part number on file: L6311416-021 (The Boeing Company Div Legacy Am&m).
Key specifications for L6311416-021: FSC Application Data: ROTARY LAUNCHER DRIVE; General Characteristics Item Description: C/O 1 ALUM ALLOY PLATE PER QQ-A-250/4,COMP 2024-T351,2.440 IN. LG BY 0.625 IN. THK BY 0.661 IN. WD O/A;1 ALUM ALLOY PLATE PER QQ-A-250/4,COMP 2024-T351,1.400 IN. LG BY 0.625 IN. T K BY 0.781 IN. WD O/A IN; End Item Identification: B-1B ACFT. 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 1680-01-180-1899 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.