The Insulator,bushing, cataloged under National Stock Number 5970-01-280-3305, 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 Ray Machine 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5970-01-280-3305 |
| Primary Part Number | 5223257-1 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Ray Machine Inc |
| Status | ACTIVE |
| Shank Height | 0.150 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | L-P-410, COMP 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.594 INCHES NOMINAL IN |
| Inside Diameter | 0.280 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE 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 |
|---|---|
| 5223257-1 PRIMARY | Ray Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 5223257-1 | 3/9 Design control — primary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 5223257-1 | 5/9 Secondary reference Mra Systems, Llc |
NSN 5970-01-280-3305 is a Insulator,bushing, manufactured by Ray Machine Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-280-3305 has 1 manufacturer part number on file: 5223257-1 (Ray Machine Inc).
Key specifications for 5223257-1: Overall Height: 0.270 INCHES NOMINAL IN; Shank Height: 0.150 INCHES NOMINAL IN; Style Designator: SHOULDER; Material Document and Classification: L-P-410, COMP 6/6 FED SPEC 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.