The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-347-4308, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-347-4308 |
| Primary Part Number | 83-02-33868D7 ITEM 25L1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Thread Series | UN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | QQ-N-296,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 1.250 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY OVERALL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 83-02-33868D7 ITEM 25L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 83-02-33868-25L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 83-02-33868-25 | 3/1 Design control — primary reference Struthers Wells Corp |
| MIL-DTL-1222-N3W20EENCNNN | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| MIL-DTL-1222L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-DTL-1222-N3W20EENCNNNL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 83-02-33868D7 ITEM 25 | 5/1 Secondary reference Struthers Wells Corp |
NSN 5310-01-347-4308 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-347-4308 has 2 manufacturer part numbers on file: 83-02-33868D7 ITEM 25L1 (Naval Inventory Control Point Mechanicsburg), 83-02-33868-25L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 83-02-33868D7 ITEM 25L1: Width Across Flats: 2.000 INCHES NOMINAL IN; Thread Series: UN; Criticality Code Justification: ZZZY; Material Document and Classification: QQ-N-296,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.