The Insulator,washer, cataloged under National Stock Number 5970-00-229-3029, 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 Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-229-3029 |
| Primary Part Number | GS11R1 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Identification Code Color | GRAY/GREY |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.465 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN |
| Inside Diameter | 0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Material | PLASTIC DIALLYL PHTHALATE AND PLASTIC ACRYLIC 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 |
|---|---|
| GS11R1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GS11R1 | 5/9 Secondary reference Avionics Plastics Corp |
| GS11R | 3/1 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5970-00-229-3029 is a Insulator,washer, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-229-3029 has 1 manufacturer part number on file: GS11R1 (Northrop Grumman Systems Corporation).
Key specifications for GS11R1: Overall Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Identification Code Color: GRAY/GREY; Style Designator: ROUND, FLAT; Outside Diameter: 0.465 INCHES MINIMUM AND 0.471 INCHES MAXIMUM 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.