The Ring,electrical Bonding, cataloged under National Stock Number 5975-01-644-9170, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lex Products, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-644-9170 |
| Primary Part Number | HBLLR520 |
| Item Name | Ring,electrical Bonding |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Lex Products, Llc |
| Status | ACTIVE |
| Mounting Method | CLAMP |
| Style Designator | TAB LOCK |
| Mounting Device Quantity | 1 |
| Material | PLASTIC BODY |
| 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 |
|---|---|
| HBLLR520 | Lex Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| LR520 | 3/9 Design control — primary reference Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division |
NSN 5975-01-644-9170 is a Ring,electrical Bonding, manufactured by Lex Products, Llc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-644-9170 has 1 manufacturer part number on file: HBLLR520 (Lex Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-692-6084. Verify interchangeability with system specifications before substitution.
Key specifications for HBLLR520: Mounting Method: CLAMP; Style Designator: TAB LOCK; Mounting Device Quantity: 1; Special Features: FITS ALL 16 AND 20A,5 WIRE PLUGS,CONNECTORS AND INLETS A. 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.