The Reducing Washer,knockout, cataloged under National Stock Number 5975-01-666-7845, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Glenair, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Reducing Washer,knockout |
| FSC / FSG | 5975 — Electrical Hardware and Supplies (FSG 59) |
| Manufacturers | Glenair, Inc. (CAGE 06324) |
| Parameter | Value |
|---|---|
| NSN | 5975-01-666-7845 |
| Primary Part Number | 259-021Z3A-8-16 |
| Item Name | Reducing Washer,knockout |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 259-021Z3A-8-16 PRIMARY | Glenair, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 256-021 | 5/9 Secondary reference Glenair, Inc. |
NSN 5975-01-666-7845 is a Reducing Washer,knockout, manufactured by Glenair, Inc., classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-666-7845 has 1 manufacturer part number on file: 259-021Z3A-8-16 (Glenair, Inc.).
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.