The Insulator,disk, cataloged under National Stock Number 5970-01-100-3992, 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 Monadnock Company, the Dba Lisi Aerospace. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-100-3992 |
| Primary Part Number | 294662 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Identification Code Color | CLEAR |
| First Hole Diameter | 0.019 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN |
| Material and Location | OVERALL PLASTIC, MYLAR-POLYESTER |
| Style Designator | DRILLED, FLAT |
| Outside Diameter | 0.360 INCHES NOMINAL IN |
| Second Hole Spacing | 0.200 INCHES NOMINAL IN |
| First Hole Spacing | 0.100 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 |
|---|---|
| 294662 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| SM-B-597802-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5970-01-100-3992 is a Insulator,disk, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-100-3992 has 1 manufacturer part number on file: 294662 (Monadnock Company, the Dba Lisi Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-311-8400. Verify interchangeability with system specifications before substitution.
Key specifications for 294662: Overall Height: 0.010 INCHES NOMINAL IN; Identification Code Color: CLEAR; First Hole Diameter: 0.019 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN; Material and Location: OVERALL PLASTIC, MYLAR-POLYESTER. 7 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.