The Insulator,washer, cataloged under National Stock Number 5970-01-138-7238, 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 Boeing Defence Australia Ltd. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-138-7238 |
| Primary Part Number | NAS549G10 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Boeing Defence Australia Ltd |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Material Document and Classification | MIL-P-18177, TYPE GEB MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-I-24768/30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS549 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Inside Diameter | 0.203 INCHES NOMINAL IN |
| Material | PLASTIC EPOXY AND GLASS FIBER 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 |
|---|---|
| NAS549G10 | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| NAS549G10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5970-01-138-7238 is a Insulator,washer, manufactured by Boeing Defence Australia Ltd, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-138-7238 has 1 manufacturer part number on file: NAS549G10 (Boeing Defence Australia Ltd).
Key specifications for NAS549G10: Overall Height: 0.063 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material Document and Classification: MIL-P-18177, TYPE GEB MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-I-24768/30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM 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.