The Collar,shaft, cataloged under National Stock Number 3040-01-121-1519, 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 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-121-1519 |
| Primary Part Number | 1816071 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Counterbore Depth and Location | 0.2031 INCHES NOMINAL SINGLE HOLE IN |
| Securing Hole Type and Location | THREADED-COUNTERBORED SINGLE HOLE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Material | STEEL CORROSION RESISTING |
| Counterbore Diameter and Location | 0.1660 INCHES NOMINAL SINGLE HOLE IN |
| Thickness | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1816071 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3040-01-121-1519 is a Collar,shaft, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-121-1519 has 1 manufacturer part number on file: 1816071 (Northrop Grumman Systems Corporation).
Key specifications for 1816071: Counterbore Depth and Location: 0.2031 INCHES NOMINAL SINGLE HOLE IN; Securing Hole Type and Location: THREADED-COUNTERBORED SINGLE HOLE; Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC); Outside Diameter: 1.125 INCHES NOMINAL IN. 9 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.
NSN 3040-01-121-1519 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.