The Connecting Link,rigid, cataloged under National Stock Number 3040-01-415-4493, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-415-4493 |
| Primary Part Number | 2-73030-21 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2-73030-21 | International Precision, Inc (USA) |
| 2-73030-21 | Essner Manufacturing Lp (USA) |
| 2-73030-21 | Northwest Machining & Mfg., Inc. Dba Northwest Machining & Manufacturing Inc (USA) |
| 2-73030-21 | G. S. E. Dynamics, Inc. Dba Gse Dynamics (USA) |
| 2-73030-21 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 2-73030-21 | Johnson Manufacturing, Inc. Dba Johnson Manufacturing (USA) |
| 2-73030-21 | Neisz Computer Services Inc (USA) |
| Reference | Meaning |
|---|---|
| 2-73030-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 2-73030 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 2-73030-21 | 5/9 Secondary reference U.S. Government activity |
| 2-73030-13 | 5/9 Secondary reference U.S. Government activity |
| 2-73030-13 | 5/9 Secondary reference Tyee Aircraft Inc Div Tyee Aircraft |
| 2-73030-21 | 5/9 Secondary reference Tyee Aircraft Inc Div Tyee Aircraft |
NSN 3040-01-415-4493 is a Connecting Link,rigid, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-415-4493 has 7 manufacturer part numbers on file: 2-73030-21 (International Precision, Inc), 2-73030-21 (Essner Manufacturing Lp), 2-73030-21 (Northwest Machining & Mfg., Inc. Dba Northwest Machining & Manufacturing Inc), 2-73030-21 (G. S. E. Dynamics, Inc. Dba Gse Dynamics), 2-73030-21 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems) and 2 more.
Key specifications for 2-73030-21: Special Features: CONSISTS OF 1 NUT,P/N AN316-4R;1 BEARING,P/N MS21153-3;1 ROD SUB-ASSEMBLY,P/N 2-73030-23; End Item Identification: USED ON AIRCRAFT T-38 AND F-5; Material: ALUMINUM ALLOY. 1 specification is 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.
NSN 3040-01-415-4493 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.