The Shield,expansion, cataloged under National Stock Number 5340-01-603-0399, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: BX.
| Parameter | Value |
|---|---|
| NSN | 5340-01-603-0399 |
| Item Name | Shield,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Thread Provision | UNTHREADED |
| Hole Accommodation Diameter | 0.812 INCHES NOMINAL IN |
| Style Designator | SINGLE EXPANSION |
| Insert Type for Which Designed | BOLT |
| Head Style | HEXAGON |
| Surface Treatment | ZINC |
| Material | STEEL |
| Unit Quantity | 10 |
| 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 | BX |
| Reference | Meaning |
|---|---|
| 6957 | 5/9 Secondary reference U.S. Government activity |
| 6957SD | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-603-0399 is a Shield,expansion, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-603-0399: Thread Provision: UNTHREADED; Hole Accommodation Diameter: 0.812 INCHES NOMINAL IN; Style Designator: SINGLE EXPANSION; Overall Length: 8.250 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
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.