The Insulator,disk, cataloged under National Stock Number 5970-01-452-8427, 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 Umpco, Inc. Dba Umpco Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-452-8427 |
| Primary Part Number | S426-14-100 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| First Hole Diameter | 0.420 INCHES NOMINAL IN |
| Material Document and Classification | AMS 3303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.124 INCHES NOMINAL IN |
| Second Hole Spacing | 0.500 INCHES NOMINAL IN |
| Second Hole Diameter | 0.190 INCHES NOMINAL IN |
| First Hole Spacing | 0.188 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q 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 |
|---|---|
| S426-14-100 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| 11422-1 | 3/2 Design control — primary reference U.S. Government activity |
| 9D0076-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5970-01-452-8427 is a Insulator,disk, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-452-8427 has 1 manufacturer part number on file: S426-14-100 (Umpco, Inc. Dba Umpco Inc).
Key specifications for S426-14-100: Overall Height: 0.634 INCHES NOMINAL IN; First Hole Diameter: 0.420 INCHES NOMINAL IN; Material Document and Classification: AMS 3303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.124 INCHES NOMINAL IN. 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.