The Locking Plate,nut and Bolt, cataloged under National Stock Number 5340-01-145-4728, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems (operations) Limited. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Locking Plate,nut and Bolt |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Bae Systems (operations) Limited (CAGE U9143) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-145-4728 |
| Primary Part Number | STD1231-9 |
| Item Name | Locking Plate,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| STD1231-9 | Bae Systems (operations) Limited (GBR) |
| STD1231/1/9/B | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| STD1231-9 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| STD1231-9-B | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Plc |
| STD1231/9/B | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 5340-01-145-4728 is a Locking Plate,nut and Bolt, manufactured by Bae Systems (operations) Limited, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-145-4728 has 2 manufacturer part numbers on file: STD1231-9 (Bae Systems (operations) Limited), STD1231/1/9/B (Bae Systems (operations) Limited).
Possible hazard — SDS may be required (DLA HMIC P). 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.