The Insulator,disk, cataloged under National Stock Number 5970-01-101-3915, 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 Materion Brush Inc. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-101-3915 |
| Primary Part Number | BBD3H440-31 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Materion Brush Inc |
| Status | ACTIVE |
| Material Type | NATURAL AND UNBLEACHED AND KRAFT PAPER WOOD PULP PAPER COMPOSITION FOUR |
| Material Type | NATURAL AND UNBLEACHED AND PRESSBOARD WOOD PULP PAPER COMPOSITION FIVE |
| Material Type | NATURAL AND UNBLEACHED AND PRESS PAPER WOOD PULP PAPER COMPOSITION THREE |
| Material Type | NATURAL AND UNBLEACHED AND ELEPHANTIDE WOOD PULP PAPER COMPOSITION TWO |
| Material Type | NATURAL AND UNBLEACHED AND SULFATE PAPER WOOD PULP PAPER COMPOSITION ONE |
| First Hole Diameter | 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Material Form | FILM OR TAPE PLASTIC POLYIMIDE |
| Material Form | CLOTH OVERALL |
| Style Designator | DRILLED, FLAT |
| Outside Diameter | 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Second Hole Spacing | 0.190 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| First Hole Spacing | 0.100 INCHES NOMINAL IN |
| Material | GLASS-CERAMIC OR MICA OR COTTON OR CERAMIC OR SILK OR FIBERGLASS OR GLASS OR PLASTIC POLYVINYL CHLORIDE (PVC) OR PLASTIC POLYIMIDE OR PLASTIC PHENOL FORMALDEHYDE (PMO) OR PULP, PAPER WOOD OR PLASTIC POLYURETHANE RESIN OR PLASTIC POLYESTER AND RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OR RUBBER OR RESIN UNSATURATED POLYESTER (UPR) OR THERMOPLASTIC POLYURETHANE OR ORGANIC VARNISH 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 |
|---|---|
| BBD3H440-31 PRIMARY | Materion Brush Inc (USA) |
NSN 5970-01-101-3915 is a Insulator,disk, manufactured by Materion Brush Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-101-3915 has 1 manufacturer part number on file: BBD3H440-31 (Materion Brush Inc).
Key specifications for BBD3H440-31: Overall Height: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Material Type: NATURAL AND UNBLEACHED AND KRAFT PAPER WOOD PULP PAPER COMPOSITION FOUR; Material Type: NATURAL AND UNBLEACHED AND PRESSBOARD WOOD PULP PAPER COMPOSITION FIVE; Material Type: NATURAL AND UNBLEACHED AND PRESS PAPER WOOD PULP PAPER COMPOSITION THREE. 13 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.