The Mount,resilient,utility, cataloged under National Stock Number 5340-01-644-2591, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-644-2591 |
| Primary Part Number | F181021 |
| Item Name | Mount,resilient,utility |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lake Shore Systems, Inc. |
| 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 |
|---|---|
| F181021 PRIMARY | Lake Shore Systems, Inc. (USA) |
| F143183 REV F ITEM NO 65 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| F181021 REV | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 5340-01-644-2591 is a Mount,resilient,utility, manufactured by Lake Shore Systems, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-644-2591 has 2 manufacturer part numbers on file: F181021 (Lake Shore Systems, Inc.), F143183 REV F ITEM NO 65 (Lake Shore Systems, Inc.).
Key specifications for F181021: Part Name Assigned by Controlling Agency: ISOLATOR. 0 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.