The Insert,panel Fastener, cataloged under National Stock Number 5325-01-690-0771, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Aeronautics Division - Pomigliano D'arco Site. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-690-0771 |
| Primary Part Number | NAS1834-3-421 |
| Item Name | Insert,panel Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site |
| Status | ACTIVE |
| Flange Diameter | 0.550 INCHES MINIMUM AND 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM0.560 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.561 INCHES MINIMUM AND 0.561 INCHES MINIMUM AND 0.566 INCHES MAXIMUM0.566 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A 108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | POTTING HOLE AND POTTING HOLE AND POTTING SLOTPOTTING SLOT |
| Specification/standard Data | 80205-NAS1834 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Hole Diameter | 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM0.201 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Shoulder Diameter | 0.300 INCHES NOMINAL0.300 INCHES NOMINAL IN |
| Insert Style | PROTRUDING FLANGEPROTRUDING FLANGE |
| Material | STEEL OVERALL |
| Hole Type | PLAINPLAIN |
| 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 |
|---|---|
| NAS1834-3-421 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| Reference | Meaning |
|---|---|
| NAS1834 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1834-3-421 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-690-0771 is a Insert,panel Fastener, manufactured by Leonardo Spa Aeronautics Division - Pomigliano D'arco Site, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-690-0771 has 1 manufacturer part number on file: NAS1834-3-421 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
Key specifications for NAS1834-3-421: Flange Diameter: 0.550 INCHES MINIMUM AND 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM0.560 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.561 INCHES MINIMUM AND 0.561 INCHES MINIMUM AND 0.566 INCHES MAXIMUM0.566 INCHES MAXIMUM IN; Material Document and Classification: ASTM A 108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.