The Shaft,idler,servo Drive, cataloged under National Stock Number 3040-00-320-7989, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-320-7989 |
| Item Name | Shaft,idler,servo Drive |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CRES TYPE 303 PER SPEC AN-S-771,PASSIVATE PER SPEC 580 002500,2.000 IN. LG,0.250 IN. DIA,CENTER SHOULDER 0.387 IN. LG,0.375 IN. DIA,UNDER CUT 0.031 IN. W,0.229 IN. DIA,BREAK CORNER BOTH ENDS,ECCENTRICITY NOT TO EXCEED .001 T.I.R.,CENTER DRILL PERMISSABLE,BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 505-1439-002 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 505-1439-002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-320-7989 is a Shaft,idler,servo Drive, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-320-7989: General Characteristics Item Description: CRES TYPE 303 PER SPEC AN-S-771,PASSIVATE PER SPEC 580 002500,2.000 IN. LG,0.250 IN. DIA,CENTER SHOULDER 0.387 IN. LG,0.375 IN. DIA,UNDER CUT 0.031 IN. W,0.229 IN. DIA,BREAK CORNER BOTH ENDS,ECCENTRICITY NOT TO EXCEED .001 T.I.R.,CENTER DRILL PERMISSABLE,BOTH ENDS IN. 1 specification is 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.
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.