The Coupling,universal Joint, cataloged under National Stock Number 1680-01-180-1918, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-01-180-1918 |
| Item Name | Coupling,universal Joint |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| FSC Application Data | CONSTANT VELOCITY,TELESCOPING |
| General Characteristics Item Description | 0.875 IN. LG O/A;25 INTERNAL INVOLUTE SPLINE TEETH W/30.0 DEG PRESSURE ANGLE BY 0.7813 IN. PD BY 0.8125 IN. MAJOR DIA BY 0.750 IN. MINOR DIA;43 EXTERNAL INVOLUTE SPLINE TEETH W/30.0 DEG PRESSURE ANGLE BY 2.6875 IN. PD BY 2.748 IN. MAJOR DIA BY 2.604 IN. MINOR DIA BY 0.750 IN. LG IN |
| 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 |
|---|---|
| T1-98-131X | 1/2 Source control — Government-approved source U.S. Government activity |
| 5900685A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-180-1918 is a Coupling,universal Joint, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-180-1918: FSC Application Data: CONSTANT VELOCITY,TELESCOPING; General Characteristics Item Description: 0.875 IN. LG O/A;25 INTERNAL INVOLUTE SPLINE TEETH W/30.0 DEG PRESSURE ANGLE BY 0.7813 IN. PD BY 0.8125 IN. MAJOR DIA BY 0.750 IN. MINOR DIA;43 EXTERNAL INVOLUTE SPLINE TEETH W/30.0 DEG PRESSURE ANGLE BY 2.6875 IN. PD BY 2.748 IN. MAJOR DIA BY 2.604 IN. MINOR DIA BY 0.750 IN. LG 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 1680-01-180-1918 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.