The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-347-4301, 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 7 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-347-4301 |
| Primary Part Number | MIL-DTL-1222 TYPE3 HEX NUT L1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Thread Series | UN |
| Criticality Code Justification | ZZZW |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Departure From Cited Document | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Thread Class | 3B |
| Thread Quantity Per Inch | 8 |
| 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 |
|---|---|
| MIL-DTL-1222 TYPE3 HEX NUT L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CW-2300CW PIECE 611L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| CW-2300CW PIECE 611 | 3/1 Design control — primary reference DC Fabricators Inc |
| MIL-DTL-1222 TYPE3 HEX NUT | 5/9 Secondary reference U.S. Government activity |
| MIL-S-1222L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-347-4301 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-347-4301 has 2 manufacturer part numbers on file: MIL-DTL-1222 TYPE3 HEX NUT L1 (Naval Inventory Control Point Mechanicsburg), CW-2300CW PIECE 611L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for MIL-DTL-1222 TYPE3 HEX NUT L1: Thread Series: UN; Criticality Code Justification: ZZZW; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.500 INCHES IN. 7 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.