The Grommet,metallic, cataloged under National Stock Number 5325-00-641-1613, 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 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-641-1613 |
| Primary Part Number | 549251 |
| 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 | 0.858 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN |
| Washer Style | SINGLE ROW TOOTHED W/ FLANGE |
| Color | BLACK OVERALL |
| Surface Treatment | ENAMEL OVERALL |
| Barrel Outside Diameter | 0.463 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Flange Style | FLANGE |
| Barrel Style | STRAIGHT ROUND TYPE |
| Barrel Height | 0.223 INCHES MINIMUM AND 0.287 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 |
|---|---|
| 549251 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5325-00-641-1613 is a Grommet,metallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-641-1613 has 1 manufacturer part number on file: 549251 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 1650-00-783-1099. Verify interchangeability with system specifications before substitution.
Key specifications for 549251: Flange Outside Diameter: 0.858 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN; Washer Style: SINGLE ROW TOOTHED W/ FLANGE; Color: BLACK OVERALL; Surface Treatment: ENAMEL OVERALL. 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.