The Shield,expansion, cataloged under National Stock Number 5340-01-187-9773, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-187-9773 |
| Item Name | Shield,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Thread Provision | THREADED |
| Hole Accommodation Diameter | 0.500 INCHES NOMINAL IN |
| Insert Size | 0.375 IN. DIA IN |
| Style Designator | DOUBLE EXPANSION |
| Fastener Type | NUT |
| Insert Type for Which Designed | MACHINE BOLT |
| Head Style | HEXAGON |
| Nondefinitive Spec/std Data | 3 TYPE AND 3 CLASS AND 2 GRADE |
| Material | STEEL |
| Unit Quantity | 1 |
| 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 |
|---|---|
| FF-S-325 | 4/1 Identification reference U.S. Government activity |
| 5030 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-187-9773 is a Shield,expansion, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-187-9773: Thread Provision: THREADED; Hole Accommodation Diameter: 0.500 INCHES NOMINAL IN; Insert Size: 0.375 IN. DIA IN; Style Designator: DOUBLE EXPANSION. 10 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.