The Cover,bearing Housing, cataloged under National Stock Number 2520-00-810-1987, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-810-1987 |
| Item Name | Cover,bearing Housing |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| General Characteristics Item Description | REAR COVER; 5.000 IN. OD+ 2.748 IN. MIN 2.749 IN. MAX SMALLEST ID; 3.250 IN. LARGEST ID; 0.750 IN. O/A H; 4 HOLES 0.391 IN. DIA EQUALLY SPACED ON 4.375 IN. BOLT CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B16009 | 3/2 Design control — primary reference U.S. Government activity |
| B16009 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| B16009 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 2520-00-810-1987 is a Cover,bearing Housing, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
Key specifications for 2520-00-810-1987: General Characteristics Item Description: REAR COVER; 5.000 IN. OD+ 2.748 IN. MIN 2.749 IN. MAX SMALLEST ID; 3.250 IN. LARGEST ID; 0.750 IN. O/A H; 4 HOLES 0.391 IN. DIA EQUALLY SPACED ON 4.375 IN. BOLT CIRCLE IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.