The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-366-1339, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-366-1339 |
| Primary Part Number | 5187994 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.055 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Material Document and Classification | ZZ-R-765,CL 3B,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Large Flange Outside Diameter | 0.750 INCHES NOMINAL IN |
| Groove Outside Diameter | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Grommet Construction Type | SOLID |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Groove Width | 0.800 INCHES NOMINAL IN |
| Hole Diameter | 0.297 INCHES MINIMUM AND 0.327 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 |
|---|---|
| 5187994 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5187994 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-01-366-1339 is a Grommet,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-366-1339 has 1 manufacturer part number on file: 5187994 (Naval Sea Systems Command).
Key specifications for 5187994: Overall Height: 0.925 INCHES MINIMUM AND 0.955 INCHES MAXIMUM IN; Grommet Style: ROUND; Flange Thickness: 0.055 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Material Document and Classification: ZZ-R-765,CL 3B,GR 50 FED 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.