The Washer,flat, cataloged under National Stock Number 5310-01-556-6656, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Plasan North America, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-556-6656 |
| Primary Part Number | 5320000089-00 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Plasan North America, 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 |
|---|---|
| 5320000089-00 | Plasan Sasa Ltd. (ISR) |
| 5320000089-00 PRIMARY | Plasan North America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5320000089-00 | 5/9 Secondary reference Nd Defense Llc |
| 5320000089-00 | 5/9 Secondary reference Plasan Sasa Ltd. |
NSN 5310-01-556-6656 is a Washer,flat, manufactured by Plasan North America, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-556-6656 has 2 manufacturer part numbers on file: 5320000089-00 (Plasan Sasa Ltd.), 5320000089-00 (Plasan North America, Inc.).
Key specifications for 5320000089-00: End Item Identification: MRAP - UNIQUE NSN - MAXXPRO CAT I. 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.