The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-453-2144, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Machinery Process Control Opns. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-453-2144 |
| Primary Part Number | W40 |
| Item Name | Contact Assembly,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Eaton Corp Machinery Process Control Opns |
| Status | ACTIVE |
| Structural Design | NONPILE-UP |
| Contact Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| W40 PRIMARY | Eaton Corp Machinery Process Control Opns (USA) |
| Reference | Meaning |
|---|---|
| W40 | C/1 Advisory reference — outside the item-of-supply concept Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 5999-01-453-2144 is a Contact Assembly,electrical, manufactured by Eaton Corp Machinery Process Control Opns, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-453-2144 has 1 manufacturer part number on file: W40 (Eaton Corp Machinery Process Control Opns).
Key specifications for W40: Structural Design: NONPILE-UP; Contact Quantity: 4; Special Features: CONTACTS NORMALLY OPEN; End Item Identification: MOTOR CONTROL CENTER NUMBER 11, PART NUMBER 118-11-010 ABOARD 420 FT WAGB COAST GUARD VESSELS FT. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.