The Grommet,nonmetallic, cataloged under National Stock Number 5325-00-049-8552, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-049-8552 |
| Primary Part Number | 4-5163P1 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.094 INCHES NOMINAL IN |
| Features Provided | OIL RESISTANT AND COOLANT RESISTANT |
| Nondefinitive Spec/std Data | 1 CLASS |
| Grommet Construction Type | SOLID |
| Material | RUBBER SYNTHETIC OVERALL |
| Groove Width | 0.219 INCHES NOMINAL IN |
| Nonmetallic Hardness Rating | 65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A |
| 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 |
|---|---|
| 4-5163P1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| U4-5163P1-3 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 4-5163P1 | 5/9 Secondary reference Raytheon Company Div Corp |
| U4-5163P1-3 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5325-00-049-8552 is a Grommet,nonmetallic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-049-8552 has 2 manufacturer part numbers on file: 4-5163P1 (Raytheon Company Dba Raytheon Co), U4-5163P1-3 (Raytheon Company Dba Raytheon Co).
Key specifications for 4-5163P1: Overall Height: 0.406 INCHES NOMINAL IN; Grommet Style: ROUND; Flange Thickness: 0.094 INCHES NOMINAL IN; Features Provided: OIL RESISTANT AND COOLANT RESISTANT. 8 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.