The Washer,flat, cataloged under National Stock Number 5310-01-562-4889, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Micro Plastics Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-562-4889 |
| Primary Part Number | 16FWR375062 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Micro Plastics Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12500886 | L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission (AUS) |
| 16FWR375062 PRIMARY | Micro Plastics Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12500886 | 5/9 Secondary reference L-3 Communications Australia P/l |
| 12500886 | 5/1 Secondary reference Klein Marine Systems Inc |
NSN 5310-01-562-4889 is a Washer,flat, manufactured by Micro Plastics Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-562-4889 has 2 manufacturer part numbers on file: 12500886 (L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission), 16FWR375062 (Micro Plastics Inc.).
Key specifications for 16FWR375062: Part Name Assigned by Controlling Agency: WASHER FLAT, RETAINING; End Item Identification: AN/SQH-4B UNIT 13, SSS TOWFISH. 0 specifications are 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.