The Chain,engine Room T, cataloged under National Stock Number 6320-00-377-5683, is classified within Federal Supply Class 6320 (Shipboard Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Durko Marine Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Chain,engine Room T |
| FSC / FSG | 6320 — Shipboard Alarm and Signal Systems (FSG 63) |
| Manufacturers | Durko Marine Inc (CAGE 73676) |
| Parameter | Value |
|---|---|
| NSN | 6320-00-377-5683 |
| Primary Part Number | RRC271TYPE2CLASS2 |
| Item Name | Chain,engine Room T |
| FSC / FSG | 6320 / 63 — Shipboard Alarm and Signal Systems |
| Manufacturer | Durko Marine Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| RRC271TYPE2CLASS2 PRIMARY | Durko Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 102PC60-25FT | 5/9 Secondary reference Durko Marine Inc |
| 103PC60-15FT | 5/9 Secondary reference Durko Marine Inc |
| 110-23DDNMC | 5/9 Secondary reference Harper Jos and Son Inc |
| 110-25DDPC7 | 5/9 Secondary reference Harper Jos and Son Inc |
| 80PC30-10FT | 5/9 Secondary reference Durko Marine Inc |
| 110-26WDPC2 | 5/9 Secondary reference Harper Jos and Son Inc |
| RRC271TYPE2CLASS2 | 5/9 Secondary reference U.S. Government activity |
NSN 6320-00-377-5683 is a Chain,engine Room T, manufactured by Durko Marine Inc, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
NSN 6320-00-377-5683 has 1 manufacturer part number on file: RRC271TYPE2CLASS2 (Durko Marine Inc).
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.