The Grommet,metallic, cataloged under National Stock Number 5325-01-177-5735, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-177-5735 |
| Primary Part Number | HS4874-2B3A |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8,T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE GROMMET |
| Material Document and Classification | QQ-A-250/4,RT3 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| Washer Style | FLAT W/ FORMED INNER EDGE |
| Surface Treatment | ANODIZE OVERALL |
| Barrel Outside Diameter | 0.227 INCHES MINIMUM IN |
| Material | ALUMINUM ALLOY 2024 WASHER |
| Material | ALUMINUM ALLOY 6061 GROMMET |
| Flange Style | FLANGE |
| Barrel Style | STRAIGHT ROUND TYPE |
| Barrel Height | 0.105 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 |
|---|---|
| HS4874-2B3A PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| SL3541A3B3 | 5/2 Secondary reference U.S. Government activity |
| HS4874-2B3A | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5325-01-177-5735 is a Grommet,metallic, manufactured by The Boeing Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-177-5735 has 1 manufacturer part number on file: HS4874-2B3A (The Boeing Company).
Key specifications for HS4874-2B3A: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/8,T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE GROMMET; Material Document and Classification: QQ-A-250/4,RT3 FED SPEC SINGLE MATERIAL RESPONSE WASHER. 12 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.