The Grommet,metallic, cataloged under National Stock Number 5325-00-641-1609, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-641-1609 |
| Primary Part Number | 549190 |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Outside Diameter | 1.157 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN |
| Barrel Largest Outside Diameter | 0.769 INCHES MINIMUM AND 0.831 INCHES MAXIMUM IN |
| Washer Style | FLAT W/ FORMED INNER EDGE |
| Color | BLACK OVERALL |
| Surface Treatment | ENAMEL OVERALL |
| Barrel Outside Diameter | 0.667 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Flange Style | FLANGE |
| Barrel Style | TAPERED ROUND TYPE |
| Barrel Height | 0.358 INCHES MINIMUM AND 0.422 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 |
|---|---|
| 549190 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5325-00-641-1609 is a Grommet,metallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-641-1609 has 1 manufacturer part number on file: 549190 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 549190: Flange Outside Diameter: 1.157 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN; Barrel Largest Outside Diameter: 0.769 INCHES MINIMUM AND 0.831 INCHES MAXIMUM IN; Washer Style: FLAT W/ FORMED INNER EDGE; Color: BLACK OVERALL. 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.