The Rivet,blind, cataloged under National Stock Number 5320-01-681-1987, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-681-1987 |
| Primary Part Number | NAS1720C6L4P |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Shank Diameter | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Head Height | 0.079 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Fastener Length | 0.78 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2700 ASSN STD SINGLE TREATMENT RESPONSE SLEEVE |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Head Style | UNIVERSAL |
| Grip Length | 0.172 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | PASSIVATE SLEEVE |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Head Major Diameter | 0.37 INCHES MINIMUM AND 0.38 INCHES MAXIMUM 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 |
|---|---|
| NAS1720C6L4P | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| NAS1720C6L4P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-681-1987 is a Rivet,blind, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-681-1987 has 1 manufacturer part number on file: NAS1720C6L4P (Leonardo Spa Helicopters Division - Production Site).
Key specifications for NAS1720C6L4P: Shank Diameter: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Head Height: 0.079 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Fastener Length: 0.78 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2700 ASSN STD SINGLE TREATMENT RESPONSE SLEEVE. 11 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.