The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-042-4521, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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 | 5325-01-042-4521 |
| Primary Part Number | 631494 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Grommet Style | DEE |
| Flange Thickness | 0.063 INCHES NOMINAL IN |
| Material Document and Classification | AMS3345 ASSN STD SINGLE MATERIAL RESPONSE GROMMET |
| Groove Depth | 0.100 INCHES NOMINAL IN |
| Hole Center to Flat End Length | 1.900 INCHES NOMINAL IN |
| Grommet Construction Type | SOLID |
| Material | RUBBER GROMMET |
| Large Flange Radius | 0.280 INCHES NOMINAL IN |
| Groove Width | 0.093 INCHES NOMINAL IN |
| Hole Diameter | 0.360 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 |
|---|---|
| 631494 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5325-01-042-4521 is a Grommet,nonmetallic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-042-4521 has 1 manufacturer part number on file: 631494 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 631494: Overall Height: 0.250 INCHES NOMINAL IN; Grommet Style: DEE; Flange Thickness: 0.063 INCHES NOMINAL IN; Material Document and Classification: AMS3345 ASSN STD SINGLE MATERIAL RESPONSE GROMMET. 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.