The Grommet,metallic, cataloged under National Stock Number 5325-00-218-7528, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-218-7528 |
| Primary Part Number | 510AS101-20 |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Outside Diameter | 0.545 INCHES NOMINAL IN |
| Barrel Largest Outside Diameter | 0.290 INCHES NOMINAL IN |
| Washer Style | FLAT W/ FORMED INNER EDGE |
| Nondefinitive Spec/std Data | 1 TYPE AND 3 CLASS AND 0 SIZE |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE FILM OVERALL |
| Barrel Outside Diameter | 0.240 INCHES NOMINAL IN |
| Material | COPPER ALLOY 268 OR COPPER ALLOY 260 OVERALL |
| Flange Style | FLANGE |
| Barrel Style | TAPERED ROUND TYPE |
| Barrel Height | 0.175 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 |
|---|---|
| 510AS101-20 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MILG16491 | 4/1 Identification reference U.S. Government activity |
NSN 5325-00-218-7528 is a Grommet,metallic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-218-7528 has 1 manufacturer part number on file: 510AS101-20 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 510AS101-20: Flange Outside Diameter: 0.545 INCHES NOMINAL IN; Barrel Largest Outside Diameter: 0.290 INCHES NOMINAL IN; Washer Style: FLAT W/ FORMED INNER EDGE; Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS AND 0 SIZE. 11 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.