The Shield,expansion, cataloged under National Stock Number 5340-01-146-6974, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hilti Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-146-6974 |
| Primary Part Number | SS58-6 |
| Item Name | Shield,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hilti Inc |
| Status | ACTIVE |
| Thread Provision | THREADED |
| Hole Accommodation Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | PLUNGER, DOUBLE EXPANSION |
| Fastener Type | NUT |
| Features Provided | CLOSED END |
| Insert Type for Which Designed | BOLT |
| Material | STEEL CORROSION RESISTING |
| Unit Quantity | 4 |
| 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 |
|---|---|
| SS58-6 PRIMARY | Hilti Inc (USA) |
| Reference | Meaning |
|---|---|
| 519607-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| PBSS58-6 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Molly Fastener Div |
NSN 5340-01-146-6974 is a Shield,expansion, manufactured by Hilti Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-146-6974 has 1 manufacturer part number on file: SS58-6 (Hilti Inc).
Key specifications for SS58-6: Thread Provision: THREADED; Hole Accommodation Diameter: 0.625 INCHES NOMINAL IN; Style Designator: PLUNGER, DOUBLE EXPANSION; Fastener Type: NUT. 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.