The Insulator,plate, cataloged under National Stock Number 5970-01-110-9775, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-110-9775 |
| Primary Part Number | 21861 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids |
| Status | ACTIVE |
| First Hole Diameter | 0.113 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Style Designator | FLAT, RECTANGULAR |
| Material | MICA 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 |
|---|---|
| 21861 PRIMARY | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA) |
| Reference | Meaning |
|---|---|
| B05608A002 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5970-01-110-9775 is a Insulator,plate, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-110-9775 has 1 manufacturer part number on file: 21861 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).
2 possible matches (shared part number, not a government interchangeability claim): 3455-01-364-8198, 4320-01-517-0244. Verify interchangeability with system specifications before substitution.
Key specifications for 21861: Overall Height: 0.002 INCHES MINIMUM AND 0.003 INCHES MAXIMUM IN; First Hole Diameter: 0.113 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN; Style Designator: FLAT, RECTANGULAR; Overall Length: 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 3 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.