The Washer,flat, cataloged under National Stock Number 5310-01-502-1779, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Manufacturing & Supply, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-502-1779 |
| Primary Part Number | S2931983-43A06 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Manufacturing & Supply, Llc |
| 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 |
|---|---|
| S2931983-43A06 PRIMARY | Moeller Manufacturing & Supply, Llc (USA) |
| S2931983-43A06 PRIMARY | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| S2931983-43A06 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-502-1779 is a Washer,flat, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-502-1779 has 2 manufacturer part numbers on file: S2931983-43A06 (Moeller Manufacturing & Supply, Llc), S2931983-43A06 (Anillo Industries Llc).
Key specifications for S2931983-43A06: End Item Identification: USED ON THE C-17 ACFT. 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.