The Shield,expansion, cataloged under National Stock Number 5340-00-680-8644, 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8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-680-8644 |
| Item Name | Shield,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Thread Provision | UNTHREADED |
| Hole Accommodation Diameter | 0.250 INCHES NOMINAL IN |
| Insert Size | 0.250 IN. DIA IN |
| Style Designator | STRAIGHT |
| Insert Type for Which Designed | LAGSCREW |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 GRADE |
| Safe Operating Load Rating | 105.0 POUNDS NOMINAL LBS |
| 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 | EA |
| Reference | Meaning |
|---|---|
| FFS325GR0UP4TYPE2 | 4/1 Identification reference U.S. Government activity |
NSN 5340-00-680-8644 is a Shield,expansion, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-00-680-8648. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-680-8644: Thread Provision: UNTHREADED; Hole Accommodation Diameter: 0.250 INCHES NOMINAL IN; Insert Size: 0.250 IN. DIA IN; Style Designator: STRAIGHT. 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.