The Eyelet,metallic, cataloged under National Stock Number 5325-00-489-4926, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-489-4926 |
| Primary Part Number | 31401 |
| Item Name | Eyelet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Flange Outside Diameter | 0.328 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Barrel Outside Diameter | 0.094 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Flange Style | FLANGE |
| Barrel Style | STRAIGHT ROUND TYPE |
| Barrel Height | 0.156 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 |
|---|---|
| 31401 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
NSN 5325-00-489-4926 is a Eyelet,metallic, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-489-4926 has 1 manufacturer part number on file: 31401 (Monadnock Company, the Dba Lisi Aerospace).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-007-7130, 5963-01-171-0373. Verify interchangeability with system specifications before substitution.
Key specifications for 31401: Flange Outside Diameter: 0.328 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL; Barrel Outside Diameter: 0.094 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 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.