The Block,vertical Arm, cataloged under National Stock Number 7910-01-161-1921, is classified within Federal Supply Class 7910 (Floor Polishers and Vacuum Cleaning Equipment) of the Cleaning Equipment and Supplies group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7910-01-161-1921 |
| Item Name | Block,vertical Arm |
| FSC / FSG | 7910 / 79 — Floor Polishers and Vacuum Cleaning Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | ASSEMBLY FOR A REAR SQUEEGEE |
| 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 |
|---|---|
| 76974-1 | 3/9 Design control — primary reference Tennant Company |
NSN 7910-01-161-1921 is a Block,vertical Arm, classified under FSC 7910, Floor Polishers and Vacuum Cleaning Equipment. Status: active.
Key specifications for 7910-01-161-1921: General Characteristics Item Description: ASSEMBLY FOR A REAR SQUEEGEE; End Item Identification: 550 SCRUBBER MACHINE. 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.