The Collar,shaft, cataloged under National Stock Number 3040-01-099-4012, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Malwin Electronics Corp.. Government technical data includes 11 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 | 3040-01-099-4012 |
| Primary Part Number | 1873-0025-1 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Malwin Electronics Corp. |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Style Designator | PLAIN ROUND |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Securing Hole Quantity | 2 |
| Surface Treatment | CHROMATE |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Thickness | 0.125 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 |
|---|---|
| 1873-0025-1 PRIMARY | Malwin Electronics Corp. (USA) |
NSN 3040-01-099-4012 is a Collar,shaft, manufactured by Malwin Electronics Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-099-4012 has 1 manufacturer part number on file: 1873-0025-1 (Malwin Electronics Corp.).
Key specifications for 1873-0025-1: Securing Hole Type and Location: THREADED ALL HOLES; Style Designator: PLAIN ROUND; Screw Thread Series Designator and Location: ALL HOLES UNIFIED NATIONAL COARSE (UNC); Outside Diameter: 0.250 INCHES NOMINAL IN. 11 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.