The Nut,special, cataloged under National Stock Number 5310-00-405-9520, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Nut,special |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bsi Standards Limited (CAGE K7766); Ge Aviation Systems Ltd (CAGE K5294); Ufc Aerospace Europe Limited (CAGE K4975); Meggitt (uk) Ltd Div Meggitt Sensing Systems (CAGE K0802) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-405-9520 |
| Primary Part Number | A222Z |
| Item Name | Nut,special |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bsi Standards Limited |
| 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 |
|---|---|
| A222Z PRIMARY | Bsi Standards Limited (GBR) |
| 30-297-612-02 | Ge Aviation Systems Ltd (GBR) |
| A222Z PRIMARY | Ufc Aerospace Europe Limited (GBR) |
| 30-297-612-02 PRIMARY | Meggitt (uk) Ltd Div Meggitt Sensing Systems (GBR) |
NSN 5310-00-405-9520 is a Nut,special, manufactured by Bsi Standards Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-405-9520 has 4 manufacturer part numbers on file: A222Z (Bsi Standards Limited), 30-297-612-02 (Ge Aviation Systems Ltd), A222Z (Ufc Aerospace Europe Limited), 30-297-612-02 (Meggitt (uk) Ltd Div Meggitt Sensing Systems).
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.