The Adapter,housing, cataloged under National Stock Number 3040-01-658-6643, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Waterous Company. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-658-6643 |
| Primary Part Number | 73183-1 |
| Item Name | Adapter,housing |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Overall Diameter | 6.250 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 |
NSN 3040-01-658-6643 is a Adapter,housing, manufactured by Waterous Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-658-6643 has 2 manufacturer part numbers on file: 4260786 (Oshkosh Defense Llc), 73183-1 (Waterous Company).
Key specifications for 73183-1: Mounting Hole Quantity: 4; Overall Height: 1.630 INCHES NOMINAL IN; Overall Diameter: 6.250 INCHES NOMINAL IN; Special Features: FINISH PER FM100: C60 TYPE III,P20 TYPE VI, P30 TYPE VI CARC GREEN;OPTIONAL FINISH PER FM100: C50 TYPE I, P30 TYPE VI CARC GREEN. 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.