The Insulator,plate, cataloged under National Stock Number 5970-00-688-5891, 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 Telephone Company of America Incorporated. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-688-5891 |
| Primary Part Number | A7677 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Telephone Company of America Incorporated |
| Status | ACTIVE |
| First Hole Diameter | 0.098 INCHES NOMINAL IN |
| Style Designator | FLAT, RECTANGULAR |
| Second Hole Spacing | 0.250 INCHES NOMINAL IN |
| First Hole Spacing | 0.304 INCHES NOMINAL IN |
| 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 |
|---|---|
| A7677 PRIMARY | Telephone Company of America Incorporated (USA) |
NSN 5970-00-688-5891 is a Insulator,plate, manufactured by Telephone Company of America Incorporated, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-688-5891 has 1 manufacturer part number on file: A7677 (Telephone Company of America Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-368-9816. Verify interchangeability with system specifications before substitution.
Key specifications for A7677: Overall Height: 0.015 INCHES NOMINAL IN; First Hole Diameter: 0.098 INCHES NOMINAL IN; Style Designator: FLAT, RECTANGULAR; Overall Length: 0.609 INCHES NOMINAL IN. 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.