The Relay-Switch, cataloged under National Stock Number 5999-01-653-6630, 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 The Yokohama Rubber Company, Limited. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-653-6630 |
| Primary Part Number | KLD4N |
| Item Name | Relay-Switch |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | The Yokohama Rubber Company, Limited |
| Status | ACTIVE |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| KLD4N PRIMARY | The Yokohama Rubber Company, Limited (JPN) |
| Reference | Meaning |
|---|---|
| KLD4N | 3/9 Design control — primary reference Yokohama Rubber Company Aerospace Division |
NSN 5999-01-653-6630 is a Relay-Switch, manufactured by The Yokohama Rubber Company, Limited, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-653-6630 has 1 manufacturer part number on file: KLD4N (The Yokohama Rubber Company, Limited).
Key specifications for KLD4N: Part Name Assigned by Controlling Agency: RELAY. 0 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.