The Insulator,bushing, cataloged under National Stock Number 5970-01-273-2841, 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 Bivar Inc. Government technical data includes 5 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 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 | 5970-01-273-2841 |
| Primary Part Number | 905-440 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Bivar Inc |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 0.147 INCHES NOMINAL IN |
| End Configuration | BOTH ENDS SQUARED |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| 905-440 PRIMARY | Bivar Inc (USA) |
NSN 5970-01-273-2841 is a Insulator,bushing, manufactured by Bivar Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-273-2841 has 1 manufacturer part number on file: 905-440 (Bivar Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-312-5756, 2910-01-664-3069. Verify interchangeability with system specifications before substitution.
Key specifications for 905-440: Overall Height: 0.440 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Outside Diameter: 0.250 INCHES NOMINAL IN; Inside Diameter: 0.147 INCHES NOMINAL IN. 5 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.