The Grommet,metallic, cataloged under National Stock Number 5325-01-170-8576, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Hoffman Engineering, Llc Dba Hoffman Engineering Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-170-8576 |
| Primary Part Number | G22-GY |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Washer Style | FLAT |
| Color | GRAY/GREY GROMMET |
| Surface Treatment | ANODIZE OVERALL |
| Barrel Outside Diameter | 0.312 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2011 OVERALL |
| Flange Style | FLANGE |
| Barrel Style | STRAIGHT ROUND TYPE |
| Barrel Height | 0.219 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 |
|---|---|
| G22-GY PRIMARY | Hoffman Engineering, Llc Dba Hoffman Engineering Llc (USA) |
| Reference | Meaning |
|---|---|
| 136629 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5325-01-170-8576 is a Grommet,metallic, manufactured by Hoffman Engineering, Llc Dba Hoffman Engineering Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-170-8576 has 1 manufacturer part number on file: G22-GY (Hoffman Engineering, Llc Dba Hoffman Engineering Llc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-497-9455. Verify interchangeability with system specifications before substitution.
Key specifications for G22-GY: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.375 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Washer Style: FLAT. 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.