The Collar,shaft, cataloged under National Stock Number 3040-01-439-3876, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-439-3876 |
| Primary Part Number | 211078776 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES OVERALL |
| Securing Hole Type and Location | UNTHREADED ALL HOLES |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | ASTM D-4020 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 3.5050 INCHES NOMINAL IN |
| Hole Diameter and Location | 1.0100 INCHES NOMINAL ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 2 |
| Bore Diameter | 3.0440 INCHES NOMINAL IN |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Thickness | 2.7500 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 |
|---|---|
| 150-6405270 FIND 74 | Naval Sea Systems Command (USA) |
| 211078776 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405270 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF1507-166 FIND 74 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-439-3876 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-439-3876 has 2 manufacturer part numbers on file: 150-6405270 FIND 74 (Naval Sea Systems Command), 211078776 (Naval Sea Systems Command).
Key specifications for 211078776: Surface Finish: 125 MICROINCHES OVERALL; Securing Hole Type and Location: UNTHREADED ALL HOLES; Style Designator: PLAIN ROUND; Material Document and Classification: ASTM D-4020 ASSN STD SINGLE MATERIAL RESPONSE. 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.