The Grommet,metallic, cataloged under National Stock Number 5325-01-646-2451, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-646-2451 |
| Primary Part Number | 50-113-2 |
| Item Name | Grommet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Barrel Largest Width | 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Flange Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Barrel Overall Height | 0.180 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Barrel Outside Diameter | 0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Flange Style | FLANGE |
| Barrel Style | FUNNEL FLANGE STRAIGHT TYPE |
| Barrel Height | 0.174 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 |
|---|---|
| 50-113-2 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 50-113-2 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 50-113-2 | 1/2 Source control — Government-approved source U.S. Government activity |
| CA35894G-2 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-01-646-2451 is a Grommet,metallic, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-646-2451 has 2 manufacturer part numbers on file: 50-113-2 (Howmet Global Fastening Systems Inc. Div Tridair Products), 50-113-2 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 50-113-2: Barrel Largest Width: 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Flange Length: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Barrel Overall Height: 0.180 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN; Special Features: 130 DEGREE FLANGE HEAD GROUNDING FASTENER. 9 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.