The Connecting Link,rigid, cataloged under National Stock Number 3040-01-590-7463, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is American Defense Group Llc Dba American Physical Security Group Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-590-7463 |
| Primary Part Number | 420D-H-L |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | American Defense Group Llc Dba American Physical Security Group Llc |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | STRAIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 420D-H-L PRIMARY | American Defense Group Llc Dba American Physical Security Group Llc (USA) |
| Reference | Meaning |
|---|---|
| 420D-H-L | 3/9 Design control — primary reference American Defense Systems, Inc. Dba Adsi |
NSN 3040-01-590-7463 is a Connecting Link,rigid, manufactured by American Defense Group Llc Dba American Physical Security Group Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-590-7463 has 1 manufacturer part number on file: 420D-H-L (American Defense Group Llc Dba American Physical Security Group Llc).
Key specifications for 420D-H-L: Body Construction: SOLID; Link Style: STRAIGHT; Part Name Assigned by Controlling Agency: LINKAGE EXTENTION; End Item Identification: 3895-01-558-5645,BACKHOR ARMOR KIT. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.