The Insulator,bushing, cataloged under National Stock Number 5970-01-051-4339, 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 American Sleeve Bearing, L.l.c. Dba American Sleeve Bearing. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-051-4339 |
| Primary Part Number | 43-PO4781G |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | American Sleeve Bearing, L.l.c. Dba American Sleeve Bearing |
| Status | ACTIVE |
| Flange Thickness | 0.062 INCHES NOMINAL IN |
| Shank Length | 0.112 INCHES NOMINAL IN |
| Style Designator | SPOOL |
| Material Document and Classification | MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.300 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.197 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Inside Diameter | 0.133 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYUNDECANOAMIDE 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 |
|---|---|
| 43-PO4781G PRIMARY | American Sleeve Bearing, L.l.c. Dba American Sleeve Bearing (USA) |
| Reference | Meaning |
|---|---|
| 43P04781G001 | 5/9 Secondary reference General Dynamics Mission Systems, Inc. Dba Gdms |
| 42-PO4781G | 5/9 Secondary reference American Sleeve Bearing, L.l.c. Dba American Sleeve Bearing |
| 43P04781G001 | 5/9 Secondary reference U.S. Government activity |
NSN 5970-01-051-4339 is a Insulator,bushing, manufactured by American Sleeve Bearing, L.l.c. Dba American Sleeve Bearing, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-051-4339 has 1 manufacturer part number on file: 43-PO4781G (American Sleeve Bearing, L.l.c. Dba American Sleeve Bearing).
Key specifications for 43-PO4781G: Overall Height: 0.236 INCHES NOMINAL IN; Flange Thickness: 0.062 INCHES NOMINAL IN; Shank Length: 0.112 INCHES NOMINAL IN; Style Designator: SPOOL. 8 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.