The Grommet,metallic, cataloged under National Stock Number 5325-01-547-7553, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-547-7553 |
| Primary Part Number | CA35813B4 |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Flange Outside Diameter | 0.395 INCHES NOMINAL IN |
| Washer Style | FLAT W/ FORMED INNER EDGE |
| Barrel Overall Height | 0.245 INCHES NOMINAL IN |
| Barrel Outside Diameter | 0.395 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Flange Style | FLANGE |
| Barrel Style | FUNNEL FLANGE STRAIGHT TYPE |
| 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 |
|---|---|
| CA35813B4 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 123905B-4 | C/1 Advisory reference — outside the item-of-supply concept Monadnock Company, the Dba Lisi Aerospace |
| 50-124-4B | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5325-01-547-7553 is a Grommet,metallic, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-547-7553 has 1 manufacturer part number on file: CA35813B4 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA35813B4: Flange Outside Diameter: 0.395 INCHES NOMINAL IN; Washer Style: FLAT W/ FORMED INNER EDGE; Barrel Overall Height: 0.245 INCHES NOMINAL IN; Barrel Outside Diameter: 0.395 INCHES NOMINAL IN. 7 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.