The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-045-6680, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-045-6680 |
| Primary Part Number | 255454 PIECE 454 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-6855 CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | OIL RESISTANT |
| Large Flange Outside Diameter | 1.938 INCHES NOMINAL IN |
| Groove Outside Diameter | 1.562 INCHES NOMINAL IN |
| Grommet Construction Type | SPLIT |
| Material | RUBBER SYNTHETIC OVERALL |
| Groove Width | 1.000 INCHES NOMINAL IN |
| Nonmetallic Hardness Rating | 60.0 NOMINAL SHORE DUROMETER A |
| Hole Diameter | 1.062 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 |
|---|---|
| 255454 PIECE 454 | Naval Sea Systems Command (USA) |
| 255454 PIECE 454 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 97-79-073 | 5/9 Secondary reference Naval Sea Systems Command |
| 97-79-073 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 5325-01-045-6680 is a Grommet,nonmetallic, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-045-6680 has 2 manufacturer part numbers on file: 255454 PIECE 454 (Naval Sea Systems Command), 255454 PIECE 454 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 255454 PIECE 454: Overall Height: 1.250 INCHES NOMINAL IN; Grommet Style: ROUND; Flange Thickness: 0.125 INCHES NOMINAL IN; Material Document and Classification: MIL-R-6855 CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.