The Grommet,metallic, cataloged under National Stock Number 5325-00-641-3428, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-641-3428 |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Flange Outside Diameter | 0.687 INCHES NOMINAL IN |
| Barrel Largest Outside Diameter | 0.375 INCHES NOMINAL IN |
| Washer Style | FLAT W/ FORMED INNER EDGE |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 SIZE |
| Color | BLACK OVERALL |
| Barrel Outside Diameter | 0.311 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Flange Style | FLANGE |
| Barrel Style | TAPERED ROUND TYPE |
| Barrel Height | 0.185 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 |
| Reference | Meaning |
|---|---|
| M16494TY1CL3SZ1 | 2/2 Government specification standardization U.S. Government activity |
| NASM20230 | 5/1 Secondary reference U.S. Government activity |
| MILG16491TYPE1CLASS3SIZE1 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-641-3428 is a Grommet,metallic, classified under FSC 5325, Fastening Devices. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-762-1327, 5325-00-811-5071. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-641-3428: Flange Outside Diameter: 0.687 INCHES NOMINAL IN; Barrel Largest Outside Diameter: 0.375 INCHES NOMINAL IN; Washer Style: FLAT W/ FORMED INNER EDGE; Nondefinitive Spec/std Data: 1 TYPE AND 1 SIZE. 10 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.