The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-397-0841, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Aearo Technologies Llc Dba Aearo Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-397-0841 |
| Primary Part Number | G-506-1 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Aearo Technologies Llc Dba Aearo Co |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.0885 INCHES NOMINAL IN |
| Large Flange Outside Diameter | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Groove Outside Diameter | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| Grommet Construction Type | SPLIT |
| Material | PLASTIC OVERALL |
| Groove Width | 0.033 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Nonmetallic Hardness Rating | 56.0 NOMINAL SHORE DUROMETER A |
| Hole Diameter | 0.167 INCHES MINIMUM AND 1.187 INCHES MAXIMUM 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 |
|---|---|
| G-506-1 | Aearo Technologies Llc Dba Aearo Co (USA) |
| Reference | Meaning |
|---|---|
| ES9734-06 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
| ES9734-06 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-397-0841 is a Grommet,nonmetallic, manufactured by Aearo Technologies Llc Dba Aearo Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-397-0841 has 1 manufacturer part number on file: G-506-1 (Aearo Technologies Llc Dba Aearo Co).
Key specifications for G-506-1: Overall Height: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Grommet Style: ROUND; Flange Thickness: 0.0885 INCHES NOMINAL IN; Large Flange Outside Diameter: 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN. 9 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.