The Mount,resilient,utility, cataloged under National Stock Number 5340-01-398-6644, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mason Industries, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-398-6644 |
| Primary Part Number | 30N-A-12 |
| Item Name | Mount,resilient,utility |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mason Industries, Inc. |
| Status | ACTIVE |
| Load Rating | 12.0 POUNDS MAXIMUM LBS |
| Height | 6.750 INCHES NOMINAL IN |
| Major Outside Diameter | 2.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 30N-A-12 PRIMARY | Mason Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 30N-12 | 5/9 Secondary reference Mason Industries, Inc. |
NSN 5340-01-398-6644 is a Mount,resilient,utility, manufactured by Mason Industries, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-398-6644 has 1 manufacturer part number on file: 30N-A-12 (Mason Industries, Inc.).
Key specifications for 30N-A-12: Load Rating: 12.0 POUNDS MAXIMUM LBS; Height: 6.750 INCHES NOMINAL IN; Special Features: NEOPRENE SPRING, SPRING COLOR RED; Major Outside Diameter: 2.750 INCHES NOMINAL IN. 3 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.