The Collar,shaft, cataloged under National Stock Number 3040-01-399-7370, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-399-7370 |
| Primary Part Number | 211075758 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | ROUND STEPPED |
| Material Document and Classification | QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 585-6404854 FIND 19 | Naval Sea Systems Command (USA) |
| 211075758 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 585-6404854 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-399-7370 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-399-7370 has 2 manufacturer part numbers on file: 585-6404854 FIND 19 (Naval Sea Systems Command), 211075758 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-686-5240. Verify interchangeability with system specifications before substitution.
Key specifications for 211075758: Style Designator: ROUND STEPPED; Material Document and Classification: QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE; Special Features: COLLAR WIDTH .376 IN,COLLAR OUTSIDE DIA 1.937 IN,SHAFT LENGTH 2.054 IN,BORE DIA .900 IN,SHAFT OUTSIDE DIA 1.500 IN IN; Material: STEEL COMP 304. 3 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.