The Collar,shaft, cataloged under National Stock Number 3040-01-017-0838, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-017-0838 |
| Primary Part Number | 900-0005-3 |
| 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 |
| Screw Thread Quantity Per Inch and Location | 40 ALL HOLES |
| Style Designator | PLAIN ROUND |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.1120 INCHES NOMINAL ALL HOLES IN |
| Nominal Thread Size | 0.112 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 2 |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.165 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 |
|---|---|
| 900-0005-3 PRIMARY | Malwin Electronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| 900-0005 | D/9 Drawing number reference only Malwin Electronics Corp. |
NSN 3040-01-017-0838 is a Collar,shaft, manufactured by Malwin Electronics Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-017-0838 has 1 manufacturer part number on file: 900-0005-3 (Malwin Electronics Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 4140-01-420-9267, 4730-01-678-4754. Verify interchangeability with system specifications before substitution.
Key specifications for 900-0005-3: Securing Hole Type and Location: THREADED ALL HOLES; Screw Thread Quantity Per Inch and Location: 40 ALL HOLES; Style Designator: PLAIN ROUND; Screw Thread Series Designator and Location: ALL HOLES UNIFIED NATIONAL COARSE (UNC). 12 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.