The Housing,bearing Box, cataloged under National Stock Number 2520-00-591-9018, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Skf Usa Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Housing,bearing Box |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Skf Usa Inc. (CAGE 52676) |
| Parameter | Value |
|---|---|
| NSN | 2520-00-591-9018 |
| Primary Part Number | B1173 |
| Item Name | Housing,bearing Box |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| B1173 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 801E5160 | 5/9 Secondary reference Kersey / American Lafrance a Div of Figgie International Inc |
NSN 2520-00-591-9018 is a Housing,bearing Box, manufactured by Skf Usa Inc., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-591-9018 has 1 manufacturer part number on file: B1173 (Skf Usa Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5930-00-953-1823, 5998-01-548-3149. Verify interchangeability with system specifications before substitution.
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.