The Insulator,disk, cataloged under National Stock Number 5970-00-985-8902, 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 Marvin Engineering Co, Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5970-00-985-8902 |
| Primary Part Number | 67B45319-01 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Marvin Engineering Co, Inc |
| Status | ACTIVE |
| Style Designator | FLANGED ROUND |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Shoulder Depth | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Shoulder Outside Diameter | 0.390 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 67B45319-01 | Marvin Engineering Co, Inc (USA) |
| 291AS181-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 67B45319-01 | 5/2 Secondary reference U.S. Government activity |
| 2820373-1 | 3/2 Design control — primary reference U.S. Government activity |
| 2820373-1 | 5/9 Secondary reference The Boeing Company |
NSN 5970-00-985-8902 is a Insulator,disk, manufactured by Marvin Engineering Co, Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-985-8902 has 2 manufacturer part numbers on file: 67B45319-01 (Marvin Engineering Co, Inc), 291AS181-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 67B45319-01: Overall Height: 0.115 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Style Designator: FLANGED ROUND; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.875 INCHES NOMINAL IN. 6 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.