The Insulator,washer, cataloged under National Stock Number 5970-00-237-2705, 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 Accessories for Electronics Inc Dba Afe. Government technical data includes 4 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-237-2705 |
| Primary Part Number | 43-02-26 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Accessories for Electronics Inc Dba Afe |
| Status | ACTIVE |
| Identification Code Color | AMBER |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Inside Diameter | 0.265 INCHES NOMINAL 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 |
|---|---|
| 43-02-26 PRIMARY | Accessories for Electronics Inc Dba Afe (USA) |
| Reference | Meaning |
|---|---|
| 43-02-26 | 5/9 Secondary reference Thermalloy Co Inc |
| 71502-4 | 7/9 Vendor item drawing reference U.S. Government activity |
| 8141050 | C/1 Advisory reference — outside the item-of-supply concept Electrodynamics Inc Div L3harris Electrodynamics Inc |
| T511005524 | 5/1 Secondary reference Lockheed Martin Librascope Corporation |
| 118758-002 | 5/2 Secondary reference U.S. Government activity |
| 71502-4 | C/1 Advisory reference — outside the item-of-supply concept Espey Mfg and Electronics Corp |
| 3180099-24 | 7/1 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5970-00-237-2705 is a Insulator,washer, manufactured by Accessories for Electronics Inc Dba Afe, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-237-2705 has 1 manufacturer part number on file: 43-02-26 (Accessories for Electronics Inc Dba Afe).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-052-0046, 5815-01-117-7598. Verify interchangeability with system specifications before substitution.
Key specifications for 43-02-26: Overall Height: 0.002 INCHES NOMINAL IN; Identification Code Color: AMBER; Style Designator: ROUND, FLAT; Outside Diameter: 0.875 INCHES NOMINAL IN. 4 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.