The Dovetail Block, cataloged under National Stock Number 3040-01-422-0080, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-422-0080 |
| Primary Part Number | 903-5912047PC12 |
| Item Name | Dovetail Block |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES 5 TAP AND COUNTER DRILL HOLES 8-32 SCREW, DRILL AND CBORE FOR 5/16 SK HD CAP SCREW 8 PLACES, USED ON CANOPY SEAL WELD CUTTING MACHINE, CAPPED GLOBE AND ANGLE VALVE |
| Material | NICKEL AND STEEL |
| 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 |
|---|---|
| 903-5912047PC12 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 903-5912047 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-422-0080 is a Dovetail Block, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-422-0080 has 1 manufacturer part number on file: 903-5912047PC12 (Naval Sea Systems Command).
Key specifications for 903-5912047PC12: General Characteristics Item Description: INCLUDES 5 TAP AND COUNTER DRILL HOLES 8-32 SCREW, DRILL AND CBORE FOR 5/16 SK HD CAP SCREW 8 PLACES, USED ON CANOPY SEAL WELD CUTTING MACHINE, CAPPED GLOBE AND ANGLE VALVE; Overall Length: 4.625 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN; End Item Identification: WEAPONS SYSTEM SEAWOLF CLASS SSN. 2 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.