The Rivet,blind, cataloged under National Stock Number 5320-01-665-1129, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-665-1129 |
| Primary Part Number | NAS1720H4-2A |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Head Height | 0.054 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Fastener Length | 0.263 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MILA8625 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Material Document and Classification | QQA430 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Head Style | UNIVERSAL |
| Grip Length | 0.047 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | ANODIZE SLEEVE |
| Material | ALUMINUM ALLOY SLEEVE |
| Head Major Diameter | 0.245 INCHES MINIMUM AND 0.255 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 |
|---|---|
| NAS1720H4-2A | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| NAS1720H4-2A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-665-1129 is a Rivet,blind, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-665-1129 has 1 manufacturer part number on file: NAS1720H4-2A (Leonardo Spa Helicopters Division - Production Site).
Key specifications for NAS1720H4-2A: Shank Diameter: 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN; Head Height: 0.054 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Fastener Length: 0.263 INCHES NOMINAL IN; Surface Treatment Document and Classification: MILA8625 MIL SPEC 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.