The Nut Castle, cataloged under National Stock Number 5310-01-166-1531, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lexair Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Nut Castle |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Wellman Group (CAGE K7018); Lexair Inc (CAGE 56607) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-166-1531 |
| Primary Part Number | P49475 |
| Item Name | Nut Castle |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lexair Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| X5008/12/156/48B | Wellman Group (GBR) |
| 156 ITEM 48B | Wellman Group (GBR) |
| 156/48B | Wellman Group (GBR) |
| P49475 PRIMARY | Lexair Inc (USA) |
| X5008/12/156 ITEM 48B | Wellman Group (GBR) |
NSN 5310-01-166-1531 is a Nut Castle, manufactured by Lexair Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-166-1531 has 5 manufacturer part numbers on file: X5008/12/156/48B (Wellman Group), 156 ITEM 48B (Wellman Group), 156/48B (Wellman Group), P49475 (Lexair Inc), X5008/12/156 ITEM 48B (Wellman Group).
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.