The Stud,snap Fastener, cataloged under National Stock Number 5325-00-840-3301, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-00-840-3301 |
| Primary Part Number | 552 |
| Item Name | Stud,snap Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Stud Shank Length | 0.135 INCHES NOMINAL IN |
| Snap Fastener Stud Style | STUD |
| Stud Head Diameter | 0.610 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY OVERALL |
| Stud Overall Length | 0.390 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 |
|---|---|
| 552 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| BACS21K39 | 5/9 Secondary reference U.S. Government activity |
| BACS21K39 | 5/9 Secondary reference The Boeing Company |
NSN 5325-00-840-3301 is a Stud,snap Fastener, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-840-3301 has 1 manufacturer part number on file: 552 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 552: Stud Shank Length: 0.135 INCHES NOMINAL IN; Snap Fastener Stud Style: STUD; Stud Head Diameter: 0.610 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 6 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.