The Housing,coupling, cataloged under National Stock Number 3010-01-421-9645, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-421-9645 |
| Primary Part Number | 903-5912047PC11 |
| Item Name | Housing,coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.937 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| General Characteristics Item Description | MATERIAL PER MIL-S-22698 GRADE A OR B, BORE 0.687 IN. MIN 1.375 IN. MAX, 1.500 X 1.375 FLANGE LOCATED 0.750 IN FROM ON END WITH FOUR 13/64 DRILLED HOLES, USED ON CANOPY SEAL WELD CUTTING MACHINE, CAPPED GLOBE AND ANGLE VLAVE IN |
| Material | 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 |
|---|---|
| 903-5912047PC11 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 903-5912047 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3010-01-421-9645 is a Housing,coupling, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-421-9645 has 1 manufacturer part number on file: 903-5912047PC11 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-421-9649, 3010-01-421-9711, 3040-01-422-0080. Verify interchangeability with system specifications before substitution.
Key specifications for 903-5912047PC11: Overall Diameter: 0.937 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; General Characteristics Item Description: MATERIAL PER MIL-S-22698 GRADE A OR B, BORE 0.687 IN. MIN 1.375 IN. MAX, 1.500 X 1.375 FLANGE LOCATED 0.750 IN FROM ON END WITH FOUR 13/64 DRILLED HOLES, USED ON CANOPY SEAL WELD CUTTING MACHINE, CAPPED GLOBE AND ANGLE VLAVE IN; Overall Length: 3.125 INCHES NOMINAL IN; End Item Identification: WEAPONS SYSTEM SEAWOLF CLASS SSN. 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.