The Port Lock, cataloged under National Stock Number 5340-01-669-2777, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lyme Computer Systems, Inc. Dba Lyme Technology Solutions. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-669-2777 |
| Primary Part Number | MS-USB5 |
| Item Name | Port Lock |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lyme Computer Systems, Inc. Dba Lyme Technology Solutions |
| 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 |
|---|---|
| MS-USB5 PRIMARY | Lyme Computer Systems, Inc. Dba Lyme Technology Solutions (USA) |
| USB1 PRIMARY | Padjack, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 09205240-01 | 7/2 Vendor item drawing reference Government Secure Solutions Cgi Inc. |
| 09205240 | D/9 Drawing number reference only Government Secure Solutions Cgi Inc. |
NSN 5340-01-669-2777 is a Port Lock, manufactured by Lyme Computer Systems, Inc. Dba Lyme Technology Solutions, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-669-2777 has 2 manufacturer part numbers on file: MS-USB5 (Lyme Computer Systems, Inc. Dba Lyme Technology Solutions), USB1 (Padjack, Inc.).
Key specifications for MS-USB5: Part Name Assigned by Controlling Agency: PORT LOCK,USB. 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.