The Collar,shaft, cataloged under National Stock Number 3040-01-274-1705, 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 13 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 | 3040-01-274-1705 |
| Primary Part Number | 1819044 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 63 MICROINCHES INSIDE PERIPHERY |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | 1ST HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.0370 INCHES MINIMUM 2ND HOLE AND 0.0420 INCHES MAXIMUM 2ND HOLE IN |
| Nominal Thread Size | 0.138 INCHES THREAD IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 1 |
| Bore Diameter | 0.2498 INCHES MINIMUM AND 0.2503 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 |
| Thickness | 0.810 INCHES NOMINAL 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 |
|---|---|
| 1819044 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3040-01-274-1705 is a Collar,shaft, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-274-1705 has 1 manufacturer part number on file: 1819044 (Northrop Grumman Systems Corporation).
Key specifications for 1819044: Surface Finish: 63 MICROINCHES INSIDE PERIPHERY; Securing Hole Type and Location: THREADED SINGLE HOLE; Style Designator: PLAIN ROUND; Material Document and Classification: QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE. 13 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.