The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-356-6221, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-356-6221 |
| Primary Part Number | 12386668 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.170 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-3036,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Large Flange Outside Diameter | 3.500 INCHES NOMINAL IN |
| Groove Outside Diameter | 2.480 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Grommet Construction Type | SPLIT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Groove Width | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Hole Diameter | 1.120 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 |
|---|---|
| 12386668 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5325-01-356-6221 is a Grommet,nonmetallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-356-6221 has 1 manufacturer part number on file: 12386668 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12386668: Overall Height: 0.750 INCHES NOMINAL IN; Grommet Style: ROUND; Flange Thickness: 0.170 INCHES NOMINAL IN; Material Document and Classification: MIL-G-3036,COMP A MIL SPEC SINGLE MATERIAL RESPONSE 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.