The Insulator,bushing, cataloged under National Stock Number 5970-01-044-3576, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-044-3576 |
| Primary Part Number | 1143AS209 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Shank Height | 2.560 INCHES MINIMUM AND 2.570 INCHES MAXIMUM IN |
| First Counterbore Diameter | 0.392 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | L-P-392, TYPE 2, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN |
| First Counterbore Depth | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Shank Outside Diameter | 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Inside Diameter | 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Material | PLASTIC ACETAL 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 |
|---|---|
| 1143AS209 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 634-8473-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5970-01-044-3576 is a Insulator,bushing, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-044-3576 has 2 manufacturer part numbers on file: 1143AS209 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 634-8473-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 1143AS209: Overall Height: 3.307 INCHES MINIMUM AND 3.317 INCHES MAXIMUM IN; Shank Height: 2.560 INCHES MINIMUM AND 2.570 INCHES MAXIMUM IN; First Counterbore Diameter: 0.392 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN; Style Designator: SHOULDER. 9 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.