The Nut,plain,barrel, cataloged under National Stock Number 5310-01-545-4658, 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. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-545-4658 |
| Primary Part Number | 2643-852-01 ITEM 53L1 |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| 2643-852-01 ITEM 53L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-7286652 ITEM 53L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1.500-6UNC-3B NICUALL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1.500-6UNC-3B NICUAL | 4/1 Identification reference U.S. Government activity |
| 2643-852-01 ITEM 53 | 5/1 Secondary reference U.S. Government activity |
| 845-7286652 ITEM 53 | 3/1 Design control — primary reference Naval Sea Systems Command |
| ER 2643-852-01A1 ITEM 53 | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-545-4658 is a Nut,plain,barrel, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-545-4658 has 3 manufacturer part numbers on file: 2643-852-01 ITEM 53L1 (Naval Inventory Control Point Mechanicsburg), 845-7286652 ITEM 53L1 (Naval Inventory Control Point Mechanicsburg), 1.500-6UNC-3B NICUALL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2643-852-01 ITEM 53L1: End Item Identification: VALVE,COMB 0.50IPS 700PSI CUNI FLANGED. 0 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.