The Connecting Link,rigid, cataloged under National Stock Number 3040-00-147-3128, 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. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3040-00-147-3128 |
| Primary Part Number | 123LM10191-1 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | EYE TO INTERNAL THREAD |
| Body Width | 0.500 INCHES NOMINAL IN |
| End Attachment Hole Diameter | 0.312 INCHES NOMINAL FIRST END IN |
| End Attachment Width | 0.340 INCHES NOMINAL FIRST END IN |
| End Attachment Length | 2.375 INCHES NOMINAL FIRST END IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 123LM10191-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 123LM10191-1 | Spiral Tool Corporation Dba Stc Industries (USA) |
| Reference | Meaning |
|---|---|
| 123LM10191 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| 123LM10191-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 3040-00-147-3128 is a Connecting Link,rigid, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-147-3128 has 2 manufacturer part numbers on file: 123LM10191-1 (Northrop Grumman Systems Corporation), 123LM10191-1 (Spiral Tool Corporation Dba Stc Industries).
Key specifications for 123LM10191-1: Body Construction: SOLID; Link Style: EYE TO INTERNAL THREAD; Body Width: 0.500 INCHES NOMINAL IN; Overall Length: 12.625 INCHES MINIMUM AND 13.250 INCHES MAXIMUM IN. 7 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.