The Block,cable Insert, cataloged under National Stock Number 5975-01-386-0657, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Roxtec Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Block,cable Insert |
| FSC / FSG | 5975 — Electrical Hardware and Supplies (FSG 59) |
| Manufacturers | Roxtec Inc (CAGE 1B3L6); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207) |
| Parameter | Value |
|---|---|
| NSN | 5975-01-386-0657 |
| Primary Part Number | RM15 |
| Item Name | Block,cable Insert |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Roxtec Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RM15 PRIMARY | Roxtec Inc (USA) |
| 12665975-02 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| RM15 | 5/9 Secondary reference L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| 12665975 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| MIL-P-24705 | 4/1 Identification reference U.S. Government activity |
NSN 5975-01-386-0657 is a Block,cable Insert, manufactured by Roxtec Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-386-0657 has 2 manufacturer part numbers on file: RM15 (Roxtec Inc), 12665975-02 (U S Army Tank Automotive Command Amsta-Im-Mm).
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.