The Insulator,bushing, cataloged under National Stock Number 5970-00-541-6519, 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 Fisica Applied Technologies, Inc. Div Randtron Antenna Systems. 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 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 | 5970-00-541-6519 |
| Primary Part Number | 20154-1 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems |
| Status | ACTIVE |
| Shank Height | 1.950 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.970 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.910 INCHES NOMINAL IN |
| Inside Diameter | 0.885 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 20154-1 PRIMARY | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA) |
NSN 5970-00-541-6519 is a Insulator,bushing, manufactured by Fisica Applied Technologies, Inc. Div Randtron Antenna Systems, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-541-6519 has 1 manufacturer part number on file: 20154-1 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems).
1 possible match (shared part number, not a government interchangeability claim): 5355-00-878-8147. Verify interchangeability with system specifications before substitution.
Key specifications for 20154-1: Overall Height: 2.000 INCHES NOMINAL IN; Shank Height: 1.950 INCHES NOMINAL IN; Style Designator: SHOULDER; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.