The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-059-3643, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Heyco Inc Dba Heyco Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-059-3643 |
| Primary Part Number | OCB-375 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Flange Thickness | 0.060 INCHES NOMINAL IN |
| Large Flange Outside Diameter | 0.420 INCHES NOMINAL IN |
| Grommet Construction Type | SPLIT |
| Material | PLASTIC POLYAMIDE NYLON GROMMET |
| Hole Diameter | 0.260 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| OCB-375 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
| Reference | Meaning |
|---|---|
| 016-002919 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
NSN 5325-01-059-3643 is a Grommet,nonmetallic, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-059-3643 has 1 manufacturer part number on file: OCB-375 (Heyco Inc Dba Heyco Products).
Key specifications for OCB-375: Overall Height: 0.400 INCHES NOMINAL IN; Flange Thickness: 0.060 INCHES NOMINAL IN; Large Flange Outside Diameter: 0.420 INCHES NOMINAL IN; Grommet Construction Type: SPLIT. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.