The Insulator,bushing, cataloged under National Stock Number 5970-00-552-0669, 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 Spencer Industries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-552-0669 |
| Primary Part Number | 170085 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| Surface Treatment and Location | OVERALL GLAZED |
| Identification Code Color | WHITE |
| First Counterbore Diameter | 0.166 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| First Counterbore Depth | 0.094 INCHES NOMINAL IN |
| Inside Diameter | 0.120 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 170085 PRIMARY | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 50998-204 | 5/9 Secondary reference L3harris Technologies, Inc Div Space & Airborne Systems |
NSN 5970-00-552-0669 is a Insulator,bushing, manufactured by Spencer Industries Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-552-0669 has 1 manufacturer part number on file: 170085 (Spencer Industries Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5325-00-870-7773, 5935-01-413-3426, 4130-01-458-8677. Verify interchangeability with system specifications before substitution.
Key specifications for 170085: Overall Height: 0.937 INCHES NOMINAL IN; Surface Treatment and Location: OVERALL GLAZED; Identification Code Color: WHITE; First Counterbore Diameter: 0.166 INCHES NOMINAL IN. 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.