The Connecting Link,rigid, cataloged under National Stock Number 3040-01-454-8134, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-454-8134 |
| Primary Part Number | 37U4074 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | STRAIGHT |
| Body Width | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | AMS-5643 COND A 17-4 PH BAR ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL CORROSION RESISTING |
| Body Thickness | 0.500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 37U4074 PRIMARY | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA) |
| 37U4129 ITEM 26 | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA) |
| 37U4128 ITEM 33 | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA) |
| Reference | Meaning |
|---|---|
| 37U4129 | D/9 Drawing number reference only United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| 37U4128 | D/9 Drawing number reference only United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
NSN 3040-01-454-8134 is a Connecting Link,rigid, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-454-8134 has 3 manufacturer part numbers on file: 37U4074 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 37U4129 ITEM 26 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 37U4128 ITEM 33 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).
1 possible match (shared part number, not a government interchangeability claim): 1075-01-499-5756. Verify interchangeability with system specifications before substitution.
Key specifications for 37U4074: Body Construction: SOLID; Link Style: STRAIGHT; Body Width: 1.000 INCHES NOMINAL IN; Material Document and Classification: AMS-5643 COND A 17-4 PH BAR ASSN STD SINGLE MATERIAL RESPONSE. 6 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.