The Nut,plain,round, cataloged under National Stock Number 5310-01-303-4060, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-303-4060 |
| Primary Part Number | 320959F91 PC. 16 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| 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 |
|---|---|
| 320959F91 PC. 16 | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| 312722F91 PC. 29 | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| 2781-209 | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| 2781-209VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2781-209 | 5/9 Secondary reference Gilbert Gilkes and Gordon Ltd |
| 2781-209 | 5/9 Secondary reference Gilbert Gilkes & Gordon Ltd |
| 2781-209 | 3/9 Design control — primary reference Gilkes Inc |
NSN 5310-01-303-4060 is a Nut,plain,round, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-303-4060 has 4 manufacturer part numbers on file: 320959F91 PC. 16 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), 312722F91 PC. 29 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), 2781-209 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), 2781-209VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for 320959F91 PC. 16: Special Features: RAW WATER PUMP; Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 1 specification is 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.