The Grommet,metallic, cataloged under National Stock Number 5325-01-342-3740, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-342-3740 |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.545 INCHES NOMINAL IN |
| Barrel Largest Outside Diameter | 0.290 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Washer Style | SINGLE ROW TOOTHED |
| Surface Treatment | NICKEL OVERALL |
| Barrel Outside Diameter | 0.240 INCHES NOMINAL IN |
| Material | 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 |
| Reference | Meaning |
|---|---|
| MIL-G-16491/1 | 4/1 Identification reference U.S. Government activity |
| 88450K1 | 5/1 Secondary reference Mcmaster-Carr Supply Co |
| M16491/1-0170N | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-342-3740 is a Grommet,metallic, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-342-3740: Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.545 INCHES NOMINAL IN; Barrel Largest Outside Diameter: 0.290 INCHES NOMINAL IN; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.