The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-252-9604, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-252-9604 |
| Primary Part Number | 639AS3550 |
| Item Name | Contact Assembly,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Terminal Quantity | 3 |
| Terminal Type | PIN |
| Structural Design | NONSWITCHING |
| Contact Quantity | 3 |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| 639AS3550 | Raytheon Company (USA) |
| 639AS3550 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 639AS3550 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 639AS3550 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 639AS3550 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5999-01-252-9604 is a Contact Assembly,electrical, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-252-9604 has 4 manufacturer part numbers on file: 639AS3550 (Raytheon Company), 639AS3550 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 639AS3550 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 639AS3550 (Raytheon Company Dba Raytheon Co).
Key specifications for 639AS3550: Terminal Quantity: 3; Terminal Type: PIN; Structural Design: NONSWITCHING; Contact Quantity: 3. 4 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.