The Washer,concave, cataloged under National Stock Number 5310-01-347-3783, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Washer,concave |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Anillo Industries Llc (CAGE 10630); Moeller Manufacturing & Supply, Llc (CAGE 58009); Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-347-3783 |
| Primary Part Number | AS19879C6A |
| Item Name | Washer,concave |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| AS19879C6A | Anillo Industries Llc (USA) |
| MM118C6A | Moeller Manufacturing & Supply, Llc (USA) |
| 03A257C6A | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| NS202860C6A | 3/2 Design control — primary reference U.S. Government activity |
| VN948BF6C | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-347-3783 is a Washer,concave, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-347-3783 has 3 manufacturer part numbers on file: AS19879C6A (Anillo Industries Llc), MM118C6A (Moeller Manufacturing & Supply, Llc), 03A257C6A (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
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.