The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-545-4684, 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 2 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-545-4684 |
| Primary Part Number | 522C900 ITEM NO. 316L1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I 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 |
|---|---|
| 522C900 ITEM NO. 316L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| M1222TYI 1IN-8UNC-2B GR7L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1129E31 FIND 10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1386F80 FIND NO.17L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1129E31 FIND 10 | 5/1 Secondary reference U.S. Government activity |
| M1222TYI 1IN-8UNC-2B GR7 | 5/2 Secondary reference U.S. Government activity |
| 1386F80 FIND NO.17 | 3/1 Design control — primary reference U.S. Government activity |
| 522C900 ITEM NO.316 | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-545-4684 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-545-4684 has 4 manufacturer part numbers on file: 522C900 ITEM NO. 316L1 (Naval Inventory Control Point Mechanicsburg), M1222TYI 1IN-8UNC-2B GR7L1 (Naval Inventory Control Point Mechanicsburg), 1129E31 FIND 10L1 (Naval Inventory Control Point Mechanicsburg), 1386F80 FIND NO.17L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 522C900 ITEM NO. 316L1: Criticality Code Justification: ZZZY; End Item Identification: STEAM TURBINE AUXILIARY ASSEMBLY; SSTG 3110; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 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.