The Insulator,plate, cataloged under National Stock Number 5970-01-574-2931, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-574-2931 |
| Primary Part Number | 251-7616056 REV D FIND NO. 12 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Identification Code Color | BLUE |
| First Hole Diameter | 0.386 INCHES NOMINAL IN |
| Third Hole Spacing | 1.500 INCHES NOMINAL IN |
| Style Designator | FLAT, RECTANGULAR |
| Second Hole Spacing | 0.700 INCHES NOMINAL IN |
| Second Hole Diameter | 0.386 INCHES NOMINAL IN |
| Dielectric Material Voltage Rating Per Unit Thickness | 257.0 VOLTS PER MIL /0.001 INCH/ IN |
| First Hole Spacing | 0.750 INCHES NOMINAL IN |
| Material | FIBER OVERALL |
| 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 |
|---|---|
| 7616056-023 | Garlock Inc Mechanical Seal Div Div of Coltec Industries Inc (USA) |
| 251-7616056 REV D FIND NO. 12 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5970-01-574-2931 is a Insulator,plate, manufactured by Naval Sea Systems Command, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-574-2931 has 2 manufacturer part numbers on file: 7616056-023 (Garlock Inc Mechanical Seal Div Div of Coltec Industries Inc), 251-7616056 REV D FIND NO. 12 (Naval Sea Systems Command).
Key specifications for 251-7616056 REV D FIND NO. 12: Overall Height: 0.125 INCHES NOMINAL IN; Identification Code Color: BLUE; First Hole Diameter: 0.386 INCHES NOMINAL IN; Third Hole Spacing: 1.500 INCHES NOMINAL IN. 9 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.